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Finding the Fourth Proportional to 70,156.98, 96,788.97 and 44,656.74

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Solution

The fourth proportional to 70,156.98, 96,788.97 and 44,656.74 is: 61,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,156.98 : 96,788.97 = 44,656.74 : x
  2. Step 2: Convert to fraction form
    70,156.98/96,788.97 = 44,656.74/x
  3. Step 3: Cross multiply
    70,156.98x = 96,788.97 × 44,656.74
  4. Step 4: Simplify right side
    70,156.98x = 4,322,279,868.16
  5. Step 5: Solve for x
    x = 4,322,279,868.16/70,156.98
  6. Step 6: Final answer
    x = 61,608.69

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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.