Home / 78,651.27-108,534.95-44,655.30

Finding the Fourth Proportional to 78,651.27, 108,534.95 and 44,655.30

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Solution

The fourth proportional to 78,651.27, 108,534.95 and 44,655.30 is: 61,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,651.27 : 108,534.95 = 44,655.30 : x
  2. Step 2: Convert to fraction form
    78,651.27/108,534.95 = 44,655.30/x
  3. Step 3: Cross multiply
    78,651.27x = 108,534.95 × 44,655.30
  4. Step 4: Simplify right side
    78,651.27x = 4,846,660,529.46
  5. Step 5: Solve for x
    x = 4,846,660,529.46/78,651.27
  6. Step 6: Final answer
    x = 61,622.15

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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.