Home / 97,360.32-134,359.20-57,104.88

Finding the Fourth Proportional to 97,360.32, 134,359.20 and 57,104.88

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Solution

The fourth proportional to 97,360.32, 134,359.20 and 57,104.88 is: 78,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,360.32 : 134,359.20 = 57,104.88 : x
  2. Step 2: Convert to fraction form
    97,360.32/134,359.20 = 57,104.88/x
  3. Step 3: Cross multiply
    97,360.32x = 134,359.20 × 57,104.88
  4. Step 4: Simplify right side
    97,360.32x = 7,672,565,992.90
  5. Step 5: Solve for x
    x = 7,672,565,992.90/97,360.32
  6. Step 6: Final answer
    x = 78,805.88

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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.