Home / 112,704.59-155,532.35-62,403.59

Finding the Fourth Proportional to 112,704.59, 155,532.35 and 62,403.59

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Solution

The fourth proportional to 112,704.59, 155,532.35 and 62,403.59 is: 86,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,704.59 : 155,532.35 = 62,403.59 : x
  2. Step 2: Convert to fraction form
    112,704.59/155,532.35 = 62,403.59/x
  3. Step 3: Cross multiply
    112,704.59x = 155,532.35 × 62,403.59
  4. Step 4: Simplify right side
    112,704.59x = 9,705,777,001.14
  5. Step 5: Solve for x
    x = 9,705,777,001.14/112,704.59
  6. Step 6: Final answer
    x = 86,116.96

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1.5x scale

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.