Home / 90,217.72-124,521.06-52,497.64

Finding the Fourth Proportional to 90,217.72, 124,521.06 and 52,497.64

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Solution

The fourth proportional to 90,217.72, 124,521.06 and 52,497.64 is: 72,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217.72 : 124,521.06 = 52,497.64 : x
  2. Step 2: Convert to fraction form
    90,217.72/124,521.06 = 52,497.64/x
  3. Step 3: Cross multiply
    90,217.72x = 124,521.06 × 52,497.64
  4. Step 4: Simplify right side
    90,217.72x = 6,537,061,780.30
  5. Step 5: Solve for x
    x = 6,537,061,780.30/90,217.72
  6. Step 6: Final answer
    x = 72,458.73

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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.