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Finding the Fourth Proportional to 80,132.58, 110,482.44 and 51,401.58

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Solution

The fourth proportional to 80,132.58, 110,482.44 and 51,401.58 is: 70,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,132.58 : 110,482.44 = 51,401.58 : x
  2. Step 2: Convert to fraction form
    80,132.58/110,482.44 = 51,401.58/x
  3. Step 3: Cross multiply
    80,132.58x = 110,482.44 × 51,401.58
  4. Step 4: Simplify right side
    80,132.58x = 5,678,971,978.26
  5. Step 5: Solve for x
    x = 5,678,971,978.26/80,132.58
  6. Step 6: Final answer
    x = 70,869.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.