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Finding the Fourth Proportional to 71,804, 99,091.80 and 44,937.92

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Solution

The fourth proportional to 71,804, 99,091.80 and 44,937.92 is: 62,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,804 : 99,091.80 = 44,937.92 : x
  2. Step 2: Convert to fraction form
    71,804/99,091.80 = 44,937.92/x
  3. Step 3: Cross multiply
    71,804x = 99,091.80 × 44,937.92
  4. Step 4: Simplify right side
    71,804x = 4,452,979,381.06
  5. Step 5: Solve for x
    x = 4,452,979,381.06/71,804
  6. Step 6: Final answer
    x = 62,015.76

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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.