Home / 92,191.12-138,280.16-52,624.24

Finding the Fourth Proportional to 92,191.12, 138,280.16 and 52,624.24

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Solution

The fourth proportional to 92,191.12, 138,280.16 and 52,624.24 is: 78,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,191.12 : 138,280.16 = 52,624.24 : x
  2. Step 2: Convert to fraction form
    92,191.12/138,280.16 = 52,624.24/x
  3. Step 3: Cross multiply
    92,191.12x = 138,280.16 × 52,624.24
  4. Step 4: Simplify right side
    92,191.12x = 7,276,888,327.08
  5. Step 5: Solve for x
    x = 7,276,888,327.08/92,191.12
  6. Step 6: Final answer
    x = 78,932.64

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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.