Home / 80,818.29-121,182.68-37,494.06

Finding the Fourth Proportional to 80,818.29, 121,182.68 and 37,494.06

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Solution

The fourth proportional to 80,818.29, 121,182.68 and 37,494.06 is: 56,220.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,818.29 : 121,182.68 = 37,494.06 : x
  2. Step 2: Convert to fraction form
    80,818.29/121,182.68 = 37,494.06/x
  3. Step 3: Cross multiply
    80,818.29x = 121,182.68 × 37,494.06
  4. Step 4: Simplify right side
    80,818.29x = 4,543,630,314.18
  5. Step 5: Solve for x
    x = 4,543,630,314.18/80,818.29
  6. Step 6: Final answer
    x = 56,220.32

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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.