Home / 90,402.48-124,743.85-50,115.85

Finding the Fourth Proportional to 90,402.48, 124,743.85 and 50,115.85

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Solution

The fourth proportional to 90,402.48, 124,743.85 and 50,115.85 is: 69,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,402.48 : 124,743.85 = 50,115.85 : x
  2. Step 2: Convert to fraction form
    90,402.48/124,743.85 = 50,115.85/x
  3. Step 3: Cross multiply
    90,402.48x = 124,743.85 × 50,115.85
  4. Step 4: Simplify right side
    90,402.48x = 6,251,643,637.87
  5. Step 5: Solve for x
    x = 6,251,643,637.87/90,402.48
  6. Step 6: Final answer
    x = 69,153.45

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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.