Home / 87,366.40-131,146.80-48,000.40

Finding the Fourth Proportional to 87,366.40, 131,146.80 and 48,000.40

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Solution

The fourth proportional to 87,366.40, 131,146.80 and 48,000.40 is: 72,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366.40 : 131,146.80 = 48,000.40 : x
  2. Step 2: Convert to fraction form
    87,366.40/131,146.80 = 48,000.40/x
  3. Step 3: Cross multiply
    87,366.40x = 131,146.80 × 48,000.40
  4. Step 4: Simplify right side
    87,366.40x = 6,295,098,858.72
  5. Step 5: Solve for x
    x = 6,295,098,858.72/87,366.40
  6. Step 6: Final answer
    x = 72,054.00

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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.