Home / 112,672.15-155,487.60-62,371.15

Finding the Fourth Proportional to 112,672.15, 155,487.60 and 62,371.15

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Solution

The fourth proportional to 112,672.15, 155,487.60 and 62,371.15 is: 86,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,672.15 : 155,487.60 = 62,371.15 : x
  2. Step 2: Convert to fraction form
    112,672.15/155,487.60 = 62,371.15/x
  3. Step 3: Cross multiply
    112,672.15x = 155,487.60 × 62,371.15
  4. Step 4: Simplify right side
    112,672.15x = 9,697,940,034.02
  5. Step 5: Solve for x
    x = 9,697,940,034.02/112,672.15
  6. Step 6: Final answer
    x = 86,072.20

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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.