Home / 66,688.92-99,897.30-43,244.28

Finding the Fourth Proportional to 66,688.92, 99,897.30 and 43,244.28

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Solution

The fourth proportional to 66,688.92, 99,897.30 and 43,244.28 is: 64,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,688.92 : 99,897.30 = 43,244.28 : x
  2. Step 2: Convert to fraction form
    66,688.92/99,897.30 = 43,244.28/x
  3. Step 3: Cross multiply
    66,688.92x = 99,897.30 × 43,244.28
  4. Step 4: Simplify right side
    66,688.92x = 4,319,986,812.44
  5. Step 5: Solve for x
    x = 4,319,986,812.44/66,688.92
  6. Step 6: Final answer
    x = 64,778.18

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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.