Home / 90,280.43-124,576.86-49,984.10

Finding the Fourth Proportional to 90,280.43, 124,576.86 and 49,984.10

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Solution

The fourth proportional to 90,280.43, 124,576.86 and 49,984.10 is: 68,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,280.43 : 124,576.86 = 49,984.10 : x
  2. Step 2: Convert to fraction form
    90,280.43/124,576.86 = 49,984.10/x
  3. Step 3: Cross multiply
    90,280.43x = 124,576.86 × 49,984.10
  4. Step 4: Simplify right side
    90,280.43x = 6,226,862,227.93
  5. Step 5: Solve for x
    x = 6,226,862,227.93/90,280.43
  6. Step 6: Final answer
    x = 68,972.45

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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.