Home / 111,414.40-153,752.52-63,669.49

Finding the Fourth Proportional to 111,414.40, 153,752.52 and 63,669.49

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Solution

The fourth proportional to 111,414.40, 153,752.52 and 63,669.49 is: 87,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,414.40 : 153,752.52 = 63,669.49 : x
  2. Step 2: Convert to fraction form
    111,414.40/153,752.52 = 63,669.49/x
  3. Step 3: Cross multiply
    111,414.40x = 153,752.52 × 63,669.49
  4. Step 4: Simplify right side
    111,414.40x = 9,789,344,534.61
  5. Step 5: Solve for x
    x = 9,789,344,534.61/111,414.40
  6. Step 6: Final answer
    x = 87,864.27

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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.