Home / 52,597.17-78,711.08-45,289.76

Finding the Fourth Proportional to 52,597.17, 78,711.08 and 45,289.76

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Solution

The fourth proportional to 52,597.17, 78,711.08 and 45,289.76 is: 67,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,597.17 : 78,711.08 = 45,289.76 : x
  2. Step 2: Convert to fraction form
    52,597.17/78,711.08 = 45,289.76/x
  3. Step 3: Cross multiply
    52,597.17x = 78,711.08 × 45,289.76
  4. Step 4: Simplify right side
    52,597.17x = 3,564,805,302.54
  5. Step 5: Solve for x
    x = 3,564,805,302.54/52,597.17
  6. Step 6: Final answer
    x = 67,775.61

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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.