Home / 66,411.11-99,646.10-34,813.63

Finding the Fourth Proportional to 66,411.11, 99,646.10 and 34,813.63

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Solution

The fourth proportional to 66,411.11, 99,646.10 and 34,813.63 is: 52,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,411.11 : 99,646.10 = 34,813.63 : x
  2. Step 2: Convert to fraction form
    66,411.11/99,646.10 = 34,813.63/x
  3. Step 3: Cross multiply
    66,411.11x = 99,646.10 × 34,813.63
  4. Step 4: Simplify right side
    66,411.11x = 3,469,042,294.26
  5. Step 5: Solve for x
    x = 3,469,042,294.26/66,411.11
  6. Step 6: Final answer
    x = 52,235.88

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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.