Home / 90,627.06-125,068.05-54,823.62

Finding the Fourth Proportional to 90,627.06, 125,068.05 and 54,823.62

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Solution

The fourth proportional to 90,627.06, 125,068.05 and 54,823.62 is: 75,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,627.06 : 125,068.05 = 54,823.62 : x
  2. Step 2: Convert to fraction form
    90,627.06/125,068.05 = 54,823.62/x
  3. Step 3: Cross multiply
    90,627.06x = 125,068.05 × 54,823.62
  4. Step 4: Simplify right side
    90,627.06x = 6,856,683,247.34
  5. Step 5: Solve for x
    x = 6,856,683,247.34/90,627.06
  6. Step 6: Final answer
    x = 75,658.23

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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.