Home / 52,501.98-78,665.30-36,891.66

Finding the Fourth Proportional to 52,501.98, 78,665.30 and 36,891.66

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Solution

The fourth proportional to 52,501.98, 78,665.30 and 36,891.66 is: 55,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,501.98 : 78,665.30 = 36,891.66 : x
  2. Step 2: Convert to fraction form
    52,501.98/78,665.30 = 36,891.66/x
  3. Step 3: Cross multiply
    52,501.98x = 78,665.30 × 36,891.66
  4. Step 4: Simplify right side
    52,501.98x = 2,902,093,501.40
  5. Step 5: Solve for x
    x = 2,902,093,501.40/52,501.98
  6. Step 6: Final answer
    x = 55,275.89

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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.