Home / 80,535.74-111,140.80-44,729.10

Finding the Fourth Proportional to 80,535.74, 111,140.80 and 44,729.10

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Solution

The fourth proportional to 80,535.74, 111,140.80 and 44,729.10 is: 61,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,535.74 : 111,140.80 = 44,729.10 : x
  2. Step 2: Convert to fraction form
    80,535.74/111,140.80 = 44,729.10/x
  3. Step 3: Cross multiply
    80,535.74x = 111,140.80 × 44,729.10
  4. Step 4: Simplify right side
    80,535.74x = 4,971,227,957.28
  5. Step 5: Solve for x
    x = 4,971,227,957.28/80,535.74
  6. Step 6: Final answer
    x = 61,726.98

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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.