Home / 112,647.13-155,453.45-62,346.13

Finding the Fourth Proportional to 112,647.13, 155,453.45 and 62,346.13

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Solution

The fourth proportional to 112,647.13, 155,453.45 and 62,346.13 is: 86,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,647.13 : 155,453.45 = 62,346.13 : x
  2. Step 2: Convert to fraction form
    112,647.13/155,453.45 = 62,346.13/x
  3. Step 3: Cross multiply
    112,647.13x = 155,453.45 × 62,346.13
  4. Step 4: Simplify right side
    112,647.13x = 9,691,920,302.28
  5. Step 5: Solve for x
    x = 9,691,920,302.28/112,647.13
  6. Step 6: Final answer
    x = 86,037.88

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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.