Home / 57,280.10-85,920.15-51,253.70

Finding the Fourth Proportional to 57,280.10, 85,920.15 and 51,253.70

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Solution

The fourth proportional to 57,280.10, 85,920.15 and 51,253.70 is: 76,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,280.10 : 85,920.15 = 51,253.70 : x
  2. Step 2: Convert to fraction form
    57,280.10/85,920.15 = 51,253.70/x
  3. Step 3: Cross multiply
    57,280.10x = 85,920.15 × 51,253.70
  4. Step 4: Simplify right side
    57,280.10x = 4,403,725,592.06
  5. Step 5: Solve for x
    x = 4,403,725,592.06/57,280.10
  6. Step 6: Final answer
    x = 76,880.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.