Home / 98,686.92-148,005.72-38,727.57

Finding the Fourth Proportional to 98,686.92, 148,005.72 and 38,727.57

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Solution

The fourth proportional to 98,686.92, 148,005.72 and 38,727.57 is: 58,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,686.92 : 148,005.72 = 38,727.57 : x
  2. Step 2: Convert to fraction form
    98,686.92/148,005.72 = 38,727.57/x
  3. Step 3: Cross multiply
    98,686.92x = 148,005.72 × 38,727.57
  4. Step 4: Simplify right side
    98,686.92x = 5,731,901,881.70
  5. Step 5: Solve for x
    x = 5,731,901,881.70/98,686.92
  6. Step 6: Final answer
    x = 58,081.68

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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.