Home / 45,298.40-67,870.85-27,731.52

Finding the Fourth Proportional to 45,298.40, 67,870.85 and 27,731.52

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Solution

The fourth proportional to 45,298.40, 67,870.85 and 27,731.52 is: 41,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.40 : 67,870.85 = 27,731.52 : x
  2. Step 2: Convert to fraction form
    45,298.40/67,870.85 = 27,731.52/x
  3. Step 3: Cross multiply
    45,298.40x = 67,870.85 × 27,731.52
  4. Step 4: Simplify right side
    45,298.40x = 1,882,161,695.53
  5. Step 5: Solve for x
    x = 1,882,161,695.53/45,298.40
  6. Step 6: Final answer
    x = 41,550.30

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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.