Home / 65,708.30-98,562.45-40,906.10

Finding the Fourth Proportional to 65,708.30, 98,562.45 and 40,906.10

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Solution

The fourth proportional to 65,708.30, 98,562.45 and 40,906.10 is: 61,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,708.30 : 98,562.45 = 40,906.10 : x
  2. Step 2: Convert to fraction form
    65,708.30/98,562.45 = 40,906.10/x
  3. Step 3: Cross multiply
    65,708.30x = 98,562.45 × 40,906.10
  4. Step 4: Simplify right side
    65,708.30x = 4,031,805,435.95
  5. Step 5: Solve for x
    x = 4,031,805,435.95/65,708.30
  6. Step 6: Final answer
    x = 61,359.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.