Home / 66,252.33-99,318.15-42,566.31

Finding the Fourth Proportional to 66,252.33, 99,318.15 and 42,566.31

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Solution

The fourth proportional to 66,252.33, 99,318.15 and 42,566.31 is: 63,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,252.33 : 99,318.15 = 42,566.31 : x
  2. Step 2: Convert to fraction form
    66,252.33/99,318.15 = 42,566.31/x
  3. Step 3: Cross multiply
    66,252.33x = 99,318.15 × 42,566.31
  4. Step 4: Simplify right side
    66,252.33x = 4,227,607,161.53
  5. Step 5: Solve for x
    x = 4,227,607,161.53/66,252.33
  6. Step 6: Final answer
    x = 63,810.69

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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.