Home / 75,632.17-113,486.52-31,290.74

Finding the Fourth Proportional to 75,632.17, 113,486.52 and 31,290.74

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Solution

The fourth proportional to 75,632.17, 113,486.52 and 31,290.74 is: 46,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,632.17 : 113,486.52 = 31,290.74 : x
  2. Step 2: Convert to fraction form
    75,632.17/113,486.52 = 31,290.74/x
  3. Step 3: Cross multiply
    75,632.17x = 113,486.52 × 31,290.74
  4. Step 4: Simplify right side
    75,632.17x = 3,551,077,591.88
  5. Step 5: Solve for x
    x = 3,551,077,591.88/75,632.17
  6. Step 6: Final answer
    x = 46,951.95

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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.