Home / 103,814.40-155,714.28-59,301.66

Finding the Fourth Proportional to 103,814.40, 155,714.28 and 59,301.66

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Solution

The fourth proportional to 103,814.40, 155,714.28 and 59,301.66 is: 88,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,814.40 : 155,714.28 = 59,301.66 : x
  2. Step 2: Convert to fraction form
    103,814.40/155,714.28 = 59,301.66/x
  3. Step 3: Cross multiply
    103,814.40x = 155,714.28 × 59,301.66
  4. Step 4: Simplify right side
    103,814.40x = 9,234,115,289.70
  5. Step 5: Solve for x
    x = 9,234,115,289.70/103,814.40
  6. Step 6: Final answer
    x = 88,948.31

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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.