Home / 66,288.78-99,374.22-24,160.94

Finding the Fourth Proportional to 66,288.78, 99,374.22 and 24,160.94

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Solution

The fourth proportional to 66,288.78, 99,374.22 and 24,160.94 is: 36,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288.78 : 99,374.22 = 24,160.94 : x
  2. Step 2: Convert to fraction form
    66,288.78/99,374.22 = 24,160.94/x
  3. Step 3: Cross multiply
    66,288.78x = 99,374.22 × 24,160.94
  4. Step 4: Simplify right side
    66,288.78x = 2,400,974,070.10
  5. Step 5: Solve for x
    x = 2,400,974,070.10/66,288.78
  6. Step 6: Final answer
    x = 36,219.92

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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.