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Finding the Fourth Proportional to 80,417.76, 120,588.30 and 36,044.88

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Solution

The fourth proportional to 80,417.76, 120,588.30 and 36,044.88 is: 54,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,417.76 : 120,588.30 = 36,044.88 : x
  2. Step 2: Convert to fraction form
    80,417.76/120,588.30 = 36,044.88/x
  3. Step 3: Cross multiply
    80,417.76x = 120,588.30 × 36,044.88
  4. Step 4: Simplify right side
    80,417.76x = 4,346,590,802.90
  5. Step 5: Solve for x
    x = 4,346,590,802.90/80,417.76
  6. Step 6: Final answer
    x = 54,050.14

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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.