Home / 66,180.18-99,273.51-26,732.40

Finding the Fourth Proportional to 66,180.18, 99,273.51 and 26,732.40

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Solution

The fourth proportional to 66,180.18, 99,273.51 and 26,732.40 is: 40,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180.18 : 99,273.51 = 26,732.40 : x
  2. Step 2: Convert to fraction form
    66,180.18/99,273.51 = 26,732.40/x
  3. Step 3: Cross multiply
    66,180.18x = 99,273.51 × 26,732.40
  4. Step 4: Simplify right side
    66,180.18x = 2,653,819,178.72
  5. Step 5: Solve for x
    x = 2,653,819,178.72/66,180.18
  6. Step 6: Final answer
    x = 40,099.91

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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.