Home / 111,539.08-153,924.05-60,551.78

Finding the Fourth Proportional to 111,539.08, 153,924.05 and 60,551.78

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Solution

The fourth proportional to 111,539.08, 153,924.05 and 60,551.78 is: 83,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,539.08 : 153,924.05 = 60,551.78 : x
  2. Step 2: Convert to fraction form
    111,539.08/153,924.05 = 60,551.78/x
  3. Step 3: Cross multiply
    111,539.08x = 153,924.05 × 60,551.78
  4. Step 4: Simplify right side
    111,539.08x = 9,320,375,212.31
  5. Step 5: Solve for x
    x = 9,320,375,212.31/111,539.08
  6. Step 6: Final answer
    x = 83,561.52

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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.