Home / 112,701.38-155,527.90-62,403.62

Finding the Fourth Proportional to 112,701.38, 155,527.90 and 62,403.62

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Solution

The fourth proportional to 112,701.38, 155,527.90 and 62,403.62 is: 86,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.38 : 155,527.90 = 62,403.62 : x
  2. Step 2: Convert to fraction form
    112,701.38/155,527.90 = 62,403.62/x
  3. Step 3: Cross multiply
    112,701.38x = 155,527.90 × 62,403.62
  4. Step 4: Simplify right side
    112,701.38x = 9,705,503,037.35
  5. Step 5: Solve for x
    x = 9,705,503,037.35/112,701.38
  6. Step 6: Final answer
    x = 86,116.99

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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.