Home / 111,925.85-154,463.36-63,531.18

Finding the Fourth Proportional to 111,925.85, 154,463.36 and 63,531.18

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Solution

The fourth proportional to 111,925.85, 154,463.36 and 63,531.18 is: 87,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,925.85 : 154,463.36 = 63,531.18 : x
  2. Step 2: Convert to fraction form
    111,925.85/154,463.36 = 63,531.18/x
  3. Step 3: Cross multiply
    111,925.85x = 154,463.36 × 63,531.18
  4. Step 4: Simplify right side
    111,925.85x = 9,813,239,209.91
  5. Step 5: Solve for x
    x = 9,813,239,209.91/111,925.85
  6. Step 6: Final answer
    x = 87,676.26

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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.