Home / 66,070.85-99,105.40-16,151.38

Finding the Fourth Proportional to 66,070.85, 99,105.40 and 16,151.38

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Solution

The fourth proportional to 66,070.85, 99,105.40 and 16,151.38 is: 24,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,070.85 : 99,105.40 = 16,151.38 : x
  2. Step 2: Convert to fraction form
    66,070.85/99,105.40 = 16,151.38/x
  3. Step 3: Cross multiply
    66,070.85x = 99,105.40 × 16,151.38
  4. Step 4: Simplify right side
    66,070.85x = 1,600,688,687.31
  5. Step 5: Solve for x
    x = 1,600,688,687.31/66,070.85
  6. Step 6: Final answer
    x = 24,226.85

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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.