Home / 43,087.70-64,605.09-16,761.76

Finding the Fourth Proportional to 43,087.70, 64,605.09 and 16,761.76

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Solution

The fourth proportional to 43,087.70, 64,605.09 and 16,761.76 is: 25,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,087.70 : 64,605.09 = 16,761.76 : x
  2. Step 2: Convert to fraction form
    43,087.70/64,605.09 = 16,761.76/x
  3. Step 3: Cross multiply
    43,087.70x = 64,605.09 × 16,761.76
  4. Step 4: Simplify right side
    43,087.70x = 1,082,895,013.36
  5. Step 5: Solve for x
    x = 1,082,895,013.36/43,087.70
  6. Step 6: Final answer
    x = 25,132.35

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1.5x scale

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.