Home / 80,972.60-121,482.70-41,557.24

Finding the Fourth Proportional to 80,972.60, 121,482.70 and 41,557.24

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Solution

The fourth proportional to 80,972.60, 121,482.70 and 41,557.24 is: 62,348.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,972.60 : 121,482.70 = 41,557.24 : x
  2. Step 2: Convert to fraction form
    80,972.60/121,482.70 = 41,557.24/x
  3. Step 3: Cross multiply
    80,972.60x = 121,482.70 × 41,557.24
  4. Step 4: Simplify right side
    80,972.60x = 5,048,485,719.75
  5. Step 5: Solve for x
    x = 5,048,485,719.75/80,972.60
  6. Step 6: Final answer
    x = 62,348.07

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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.