Home / 111,538.80-153,923.68-60,551.52

Finding the Fourth Proportional to 111,538.80, 153,923.68 and 60,551.52

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Solution

The fourth proportional to 111,538.80, 153,923.68 and 60,551.52 is: 83,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,538.80 : 153,923.68 = 60,551.52 : x
  2. Step 2: Convert to fraction form
    111,538.80/153,923.68 = 60,551.52/x
  3. Step 3: Cross multiply
    111,538.80x = 153,923.68 × 60,551.52
  4. Step 4: Simplify right side
    111,538.80x = 9,320,312,787.99
  5. Step 5: Solve for x
    x = 9,320,312,787.99/111,538.80
  6. Step 6: Final answer
    x = 83,561.17

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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.