Home / 83,607.83-115,371.19-49,610.46

Finding the Fourth Proportional to 83,607.83, 115,371.19 and 49,610.46

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Solution

The fourth proportional to 83,607.83, 115,371.19 and 49,610.46 is: 68,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,607.83 : 115,371.19 = 49,610.46 : x
  2. Step 2: Convert to fraction form
    83,607.83/115,371.19 = 49,610.46/x
  3. Step 3: Cross multiply
    83,607.83x = 115,371.19 × 49,610.46
  4. Step 4: Simplify right side
    83,607.83x = 5,723,617,373.28
  5. Step 5: Solve for x
    x = 5,723,617,373.28/83,607.83
  6. Step 6: Final answer
    x = 68,457.91

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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.