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Finding the Fourth Proportional to 71,897.56, 99,177.39 and 44,993.35

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Solution

The fourth proportional to 71,897.56, 99,177.39 and 44,993.35 is: 62,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,897.56 : 99,177.39 = 44,993.35 : x
  2. Step 2: Convert to fraction form
    71,897.56/99,177.39 = 44,993.35/x
  3. Step 3: Cross multiply
    71,897.56x = 99,177.39 × 44,993.35
  4. Step 4: Simplify right side
    71,897.56x = 4,462,323,020.36
  5. Step 5: Solve for x
    x = 4,462,323,020.36/71,897.56
  6. Step 6: Final answer
    x = 62,065.01

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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.