Home / 80,569.60-111,186.64-44,760.16

Finding the Fourth Proportional to 80,569.60, 111,186.64 and 44,760.16

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Solution

The fourth proportional to 80,569.60, 111,186.64 and 44,760.16 is: 61,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569.60 : 111,186.64 = 44,760.16 : x
  2. Step 2: Convert to fraction form
    80,569.60/111,186.64 = 44,760.16/x
  3. Step 3: Cross multiply
    80,569.60x = 111,186.64 × 44,760.16
  4. Step 4: Simplify right side
    80,569.60x = 4,976,731,796.26
  5. Step 5: Solve for x
    x = 4,976,731,796.26/80,569.60
  6. Step 6: Final answer
    x = 61,769.35

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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.