Home / 102,346.02-141,235.38-57,023.82

Finding the Fourth Proportional to 102,346.02, 141,235.38 and 57,023.82

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Solution

The fourth proportional to 102,346.02, 141,235.38 and 57,023.82 is: 78,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,346.02 : 141,235.38 = 57,023.82 : x
  2. Step 2: Convert to fraction form
    102,346.02/141,235.38 = 57,023.82/x
  3. Step 3: Cross multiply
    102,346.02x = 141,235.38 × 57,023.82
  4. Step 4: Simplify right side
    102,346.02x = 8,053,780,886.75
  5. Step 5: Solve for x
    x = 8,053,780,886.75/102,346.02
  6. Step 6: Final answer
    x = 78,691.69

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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.