Home / 78,932.56-108,926.52-43,122.16

Finding the Fourth Proportional to 78,932.56, 108,926.52 and 43,122.16

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Solution

The fourth proportional to 78,932.56, 108,926.52 and 43,122.16 is: 59,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,932.56 : 108,926.52 = 43,122.16 : x
  2. Step 2: Convert to fraction form
    78,932.56/108,926.52 = 43,122.16/x
  3. Step 3: Cross multiply
    78,932.56x = 108,926.52 × 43,122.16
  4. Step 4: Simplify right side
    78,932.56x = 4,697,146,823.68
  5. Step 5: Solve for x
    x = 4,697,146,823.68/78,932.56
  6. Step 6: Final answer
    x = 59,508.36

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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.