Home / 92,169.12-138,247.20-52,602.24

Finding the Fourth Proportional to 92,169.12, 138,247.20 and 52,602.24

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Solution

The fourth proportional to 92,169.12, 138,247.20 and 52,602.24 is: 78,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,169.12 : 138,247.20 = 52,602.24 : x
  2. Step 2: Convert to fraction form
    92,169.12/138,247.20 = 52,602.24/x
  3. Step 3: Cross multiply
    92,169.12x = 138,247.20 × 52,602.24
  4. Step 4: Simplify right side
    92,169.12x = 7,272,112,393.73
  5. Step 5: Solve for x
    x = 7,272,112,393.73/92,169.12
  6. Step 6: Final answer
    x = 78,899.66

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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.