Home / 70,977.59-106,540.23-52,278.74

Finding the Fourth Proportional to 70,977.59, 106,540.23 and 52,278.74

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Solution

The fourth proportional to 70,977.59, 106,540.23 and 52,278.74 is: 78,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,977.59 : 106,540.23 = 52,278.74 : x
  2. Step 2: Convert to fraction form
    70,977.59/106,540.23 = 52,278.74/x
  3. Step 3: Cross multiply
    70,977.59x = 106,540.23 × 52,278.74
  4. Step 4: Simplify right side
    70,977.59x = 5,569,788,983.71
  5. Step 5: Solve for x
    x = 5,569,788,983.71/70,977.59
  6. Step 6: Final answer
    x = 78,472.50

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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.