Home / 75,260.16-113,065.20-44,117.28

Finding the Fourth Proportional to 75,260.16, 113,065.20 and 44,117.28

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Solution

The fourth proportional to 75,260.16, 113,065.20 and 44,117.28 is: 66,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.16 : 113,065.20 = 44,117.28 : x
  2. Step 2: Convert to fraction form
    75,260.16/113,065.20 = 44,117.28/x
  3. Step 3: Cross multiply
    75,260.16x = 113,065.20 × 44,117.28
  4. Step 4: Simplify right side
    75,260.16x = 4,988,129,086.66
  5. Step 5: Solve for x
    x = 4,988,129,086.66/75,260.16
  6. Step 6: Final answer
    x = 66,278.48

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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.