Home / 103,691.01-155,535.49-47,515.18

Finding the Fourth Proportional to 103,691.01, 155,535.49 and 47,515.18

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Solution

The fourth proportional to 103,691.01, 155,535.49 and 47,515.18 is: 71,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.01 : 155,535.49 = 47,515.18 : x
  2. Step 2: Convert to fraction form
    103,691.01/155,535.49 = 47,515.18/x
  3. Step 3: Cross multiply
    103,691.01x = 155,535.49 × 47,515.18
  4. Step 4: Simplify right side
    103,691.01x = 7,390,296,803.74
  5. Step 5: Solve for x
    x = 7,390,296,803.74/103,691.01
  6. Step 6: Final answer
    x = 71,272.30

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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.