Home / 78,282-108,029.16-44,748.72

Finding the Fourth Proportional to 78,282, 108,029.16 and 44,748.72

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Solution

The fourth proportional to 78,282, 108,029.16 and 44,748.72 is: 61,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,282 : 108,029.16 = 44,748.72 : x
  2. Step 2: Convert to fraction form
    78,282/108,029.16 = 44,748.72/x
  3. Step 3: Cross multiply
    78,282x = 108,029.16 × 44,748.72
  4. Step 4: Simplify right side
    78,282x = 4,834,166,632.68
  5. Step 5: Solve for x
    x = 4,834,166,632.68/78,282
  6. Step 6: Final answer
    x = 61,753.23

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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.