Home / 66,319.32-99,468.18-26,874.84

Finding the Fourth Proportional to 66,319.32, 99,468.18 and 26,874.84

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Solution

The fourth proportional to 66,319.32, 99,468.18 and 26,874.84 is: 40,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.32 : 99,468.18 = 26,874.84 : x
  2. Step 2: Convert to fraction form
    66,319.32/99,468.18 = 26,874.84/x
  3. Step 3: Cross multiply
    66,319.32x = 99,468.18 × 26,874.84
  4. Step 4: Simplify right side
    66,319.32x = 2,673,191,422.59
  5. Step 5: Solve for x
    x = 2,673,191,422.59/66,319.32
  6. Step 6: Final answer
    x = 40,307.88

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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.