Home / 62,715.24-86,541.30-35,856.90

Finding the Fourth Proportional to 62,715.24, 86,541.30 and 35,856.90

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Solution

The fourth proportional to 62,715.24, 86,541.30 and 35,856.90 is: 49,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,715.24 : 86,541.30 = 35,856.90 : x
  2. Step 2: Convert to fraction form
    62,715.24/86,541.30 = 35,856.90/x
  3. Step 3: Cross multiply
    62,715.24x = 86,541.30 × 35,856.90
  4. Step 4: Simplify right side
    62,715.24x = 3,103,102,739.97
  5. Step 5: Solve for x
    x = 3,103,102,739.97/62,715.24
  6. Step 6: Final answer
    x = 49,479.25

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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.