Home / 52,511.98-78,680.30-36,901.66

Finding the Fourth Proportional to 52,511.98, 78,680.30 and 36,901.66

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Solution

The fourth proportional to 52,511.98, 78,680.30 and 36,901.66 is: 55,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.98 : 78,680.30 = 36,901.66 : x
  2. Step 2: Convert to fraction form
    52,511.98/78,680.30 = 36,901.66/x
  3. Step 3: Cross multiply
    52,511.98x = 78,680.30 × 36,901.66
  4. Step 4: Simplify right side
    52,511.98x = 2,903,433,679.30
  5. Step 5: Solve for x
    x = 2,903,433,679.30/52,511.98
  6. Step 6: Final answer
    x = 55,290.88

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1.5x scale

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.