Home / 90,001.24-124,200.92-49,717.81

Finding the Fourth Proportional to 90,001.24, 124,200.92 and 49,717.81

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Solution

The fourth proportional to 90,001.24, 124,200.92 and 49,717.81 is: 68,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.24 : 124,200.92 = 49,717.81 : x
  2. Step 2: Convert to fraction form
    90,001.24/124,200.92 = 49,717.81/x
  3. Step 3: Cross multiply
    90,001.24x = 124,200.92 × 49,717.81
  4. Step 4: Simplify right side
    90,001.24x = 6,174,998,021.93
  5. Step 5: Solve for x
    x = 6,174,998,021.93/90,001.24
  6. Step 6: Final answer
    x = 68,610.15

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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.