Home / 66,498.32-99,746.40-31,463.12

Finding the Fourth Proportional to 66,498.32, 99,746.40 and 31,463.12

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Solution

The fourth proportional to 66,498.32, 99,746.40 and 31,463.12 is: 47,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.32 : 99,746.40 = 31,463.12 : x
  2. Step 2: Convert to fraction form
    66,498.32/99,746.40 = 31,463.12/x
  3. Step 3: Cross multiply
    66,498.32x = 99,746.40 × 31,463.12
  4. Step 4: Simplify right side
    66,498.32x = 3,138,332,952.77
  5. Step 5: Solve for x
    x = 3,138,332,952.77/66,498.32
  6. Step 6: Final answer
    x = 47,194.17

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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.