Home / 111,531.01-153,907.53-60,542.59

Finding the Fourth Proportional to 111,531.01, 153,907.53 and 60,542.59

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Solution

The fourth proportional to 111,531.01, 153,907.53 and 60,542.59 is: 83,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,531.01 : 153,907.53 = 60,542.59 : x
  2. Step 2: Convert to fraction form
    111,531.01/153,907.53 = 60,542.59/x
  3. Step 3: Cross multiply
    111,531.01x = 153,907.53 × 60,542.59
  4. Step 4: Simplify right side
    111,531.01x = 9,317,960,486.70
  5. Step 5: Solve for x
    x = 9,317,960,486.70/111,531.01
  6. Step 6: Final answer
    x = 83,545.92

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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.