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Finding the Fourth Proportional to 66,002.49, 99,052.92 and 26,559.93

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Solution

The fourth proportional to 66,002.49, 99,052.92 and 26,559.93 is: 39,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,002.49 : 99,052.92 = 26,559.93 : x
  2. Step 2: Convert to fraction form
    66,002.49/99,052.92 = 26,559.93/x
  3. Step 3: Cross multiply
    66,002.49x = 99,052.92 × 26,559.93
  4. Step 4: Simplify right side
    66,002.49x = 2,630,838,621.50
  5. Step 5: Solve for x
    x = 2,630,838,621.50/66,002.49
  6. Step 6: Final answer
    x = 39,859.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.