Home / 88,000.20-132,065.10-35,447.40

Finding the Fourth Proportional to 88,000.20, 132,065.10 and 35,447.40

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Solution

The fourth proportional to 88,000.20, 132,065.10 and 35,447.40 is: 53,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.20 : 132,065.10 = 35,447.40 : x
  2. Step 2: Convert to fraction form
    88,000.20/132,065.10 = 35,447.40/x
  3. Step 3: Cross multiply
    88,000.20x = 132,065.10 × 35,447.40
  4. Step 4: Simplify right side
    88,000.20x = 4,681,364,425.74
  5. Step 5: Solve for x
    x = 4,681,364,425.74/88,000.20
  6. Step 6: Final answer
    x = 53,197.20

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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.