Home / 80,031.30-110,458.47-52,759.53

Finding the Fourth Proportional to 80,031.30, 110,458.47 and 52,759.53

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Solution

The fourth proportional to 80,031.30, 110,458.47 and 52,759.53 is: 72,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,031.30 : 110,458.47 = 52,759.53 : x
  2. Step 2: Convert to fraction form
    80,031.30/110,458.47 = 52,759.53/x
  3. Step 3: Cross multiply
    80,031.30x = 110,458.47 × 52,759.53
  4. Step 4: Simplify right side
    80,031.30x = 5,827,736,961.72
  5. Step 5: Solve for x
    x = 5,827,736,961.72/80,031.30
  6. Step 6: Final answer
    x = 72,818.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.