Home / 75,854.07-113,672.67-55,705.52

Finding the Fourth Proportional to 75,854.07, 113,672.67 and 55,705.52

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Solution

The fourth proportional to 75,854.07, 113,672.67 and 55,705.52 is: 83,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,854.07 : 113,672.67 = 55,705.52 : x
  2. Step 2: Convert to fraction form
    75,854.07/113,672.67 = 55,705.52/x
  3. Step 3: Cross multiply
    75,854.07x = 113,672.67 × 55,705.52
  4. Step 4: Simplify right side
    75,854.07x = 6,332,195,267.42
  5. Step 5: Solve for x
    x = 6,332,195,267.42/75,854.07
  6. Step 6: Final answer
    x = 83,478.65

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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.