Home / 80,909.04-111,657.24-45,097.68

Finding the Fourth Proportional to 80,909.04, 111,657.24 and 45,097.68

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Solution

The fourth proportional to 80,909.04, 111,657.24 and 45,097.68 is: 62,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,909.04 : 111,657.24 = 45,097.68 : x
  2. Step 2: Convert to fraction form
    80,909.04/111,657.24 = 45,097.68/x
  3. Step 3: Cross multiply
    80,909.04x = 111,657.24 × 45,097.68
  4. Step 4: Simplify right side
    80,909.04x = 5,035,482,479.20
  5. Step 5: Solve for x
    x = 5,035,482,479.20/80,909.04
  6. Step 6: Final answer
    x = 62,236.34

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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.