Home / 47,764.34-71,637.18-45,393.53

Finding the Fourth Proportional to 47,764.34, 71,637.18 and 45,393.53

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Solution

The fourth proportional to 47,764.34, 71,637.18 and 45,393.53 is: 68,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,764.34 : 71,637.18 = 45,393.53 : x
  2. Step 2: Convert to fraction form
    47,764.34/71,637.18 = 45,393.53/x
  3. Step 3: Cross multiply
    47,764.34x = 71,637.18 × 45,393.53
  4. Step 4: Simplify right side
    47,764.34x = 3,251,864,479.45
  5. Step 5: Solve for x
    x = 3,251,864,479.45/47,764.34
  6. Step 6: Final answer
    x = 68,081.43

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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.