Home / 43,086.70-64,603.59-16,760.76

Finding the Fourth Proportional to 43,086.70, 64,603.59 and 16,760.76

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Solution

The fourth proportional to 43,086.70, 64,603.59 and 16,760.76 is: 25,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,086.70 : 64,603.59 = 16,760.76 : x
  2. Step 2: Convert to fraction form
    43,086.70/64,603.59 = 16,760.76/x
  3. Step 3: Cross multiply
    43,086.70x = 64,603.59 × 16,760.76
  4. Step 4: Simplify right side
    43,086.70x = 1,082,805,267.13
  5. Step 5: Solve for x
    x = 1,082,805,267.13/43,086.70
  6. Step 6: Final answer
    x = 25,130.85

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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.