Home / 90,222.38-124,506.88-52,521.74

Finding the Fourth Proportional to 90,222.38, 124,506.88 and 52,521.74

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Solution

The fourth proportional to 90,222.38, 124,506.88 and 52,521.74 is: 72,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.38 : 124,506.88 = 52,521.74 : x
  2. Step 2: Convert to fraction form
    90,222.38/124,506.88 = 52,521.74/x
  3. Step 3: Cross multiply
    90,222.38x = 124,506.88 × 52,521.74
  4. Step 4: Simplify right side
    90,222.38x = 6,539,317,225.73
  5. Step 5: Solve for x
    x = 6,539,317,225.73/90,222.38
  6. Step 6: Final answer
    x = 72,479.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.