Home / 52,343.64-78,864.48-47,351.76

Finding the Fourth Proportional to 52,343.64, 78,864.48 and 47,351.76

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Solution

The fourth proportional to 52,343.64, 78,864.48 and 47,351.76 is: 71,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,343.64 : 78,864.48 = 47,351.76 : x
  2. Step 2: Convert to fraction form
    52,343.64/78,864.48 = 47,351.76/x
  3. Step 3: Cross multiply
    52,343.64x = 78,864.48 × 47,351.76
  4. Step 4: Simplify right side
    52,343.64x = 3,734,371,929.48
  5. Step 5: Solve for x
    x = 3,734,371,929.48/52,343.64
  6. Step 6: Final answer
    x = 71,343.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.