Home / 90,000.68-124,200.15-49,717.25

Finding the Fourth Proportional to 90,000.68, 124,200.15 and 49,717.25

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Solution

The fourth proportional to 90,000.68, 124,200.15 and 49,717.25 is: 68,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,000.68 : 124,200.15 = 49,717.25 : x
  2. Step 2: Convert to fraction form
    90,000.68/124,200.15 = 49,717.25/x
  3. Step 3: Cross multiply
    90,000.68x = 124,200.15 × 49,717.25
  4. Step 4: Simplify right side
    90,000.68x = 6,174,889,845.56
  5. Step 5: Solve for x
    x = 6,174,889,845.56/90,000.68
  6. Step 6: Final answer
    x = 68,609.37

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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.