Home / 111,539.26-153,918.90-60,550.84

Finding the Fourth Proportional to 111,539.26, 153,918.90 and 60,550.84

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Solution

The fourth proportional to 111,539.26, 153,918.90 and 60,550.84 is: 83,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,539.26 : 153,918.90 = 60,550.84 : x
  2. Step 2: Convert to fraction form
    111,539.26/153,918.90 = 60,550.84/x
  3. Step 3: Cross multiply
    111,539.26x = 153,918.90 × 60,550.84
  4. Step 4: Simplify right side
    111,539.26x = 9,319,918,686.88
  5. Step 5: Solve for x
    x = 9,319,918,686.88/111,539.26
  6. Step 6: Final answer
    x = 83,557.29

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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.