Home / 110,553.30-152,567.64-62,814.78

Finding the Fourth Proportional to 110,553.30, 152,567.64 and 62,814.78

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Solution

The fourth proportional to 110,553.30, 152,567.64 and 62,814.78 is: 86,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,553.30 : 152,567.64 = 62,814.78 : x
  2. Step 2: Convert to fraction form
    110,553.30/152,567.64 = 62,814.78/x
  3. Step 3: Cross multiply
    110,553.30x = 152,567.64 × 62,814.78
  4. Step 4: Simplify right side
    110,553.30x = 9,583,502,741.72
  5. Step 5: Solve for x
    x = 9,583,502,741.72/110,553.30
  6. Step 6: Final answer
    x = 86,686.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.