Home / 80,550.06-111,114.26-74,848.14

Finding the Fourth Proportional to 80,550.06, 111,114.26 and 74,848.14

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Solution

The fourth proportional to 80,550.06, 111,114.26 and 74,848.14 is: 103,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.06 : 111,114.26 = 74,848.14 : x
  2. Step 2: Convert to fraction form
    80,550.06/111,114.26 = 74,848.14/x
  3. Step 3: Cross multiply
    80,550.06x = 111,114.26 × 74,848.14
  4. Step 4: Simplify right side
    80,550.06x = 8,316,695,688.48
  5. Step 5: Solve for x
    x = 8,316,695,688.48/80,550.06
  6. Step 6: Final answer
    x = 103,248.78

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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.