Home / 66,526.44-99,789.66-38,805

Finding the Fourth Proportional to 66,526.44, 99,789.66 and 38,805

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Solution

The fourth proportional to 66,526.44, 99,789.66 and 38,805 is: 58,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,526.44 : 99,789.66 = 38,805 : x
  2. Step 2: Convert to fraction form
    66,526.44/99,789.66 = 38,805/x
  3. Step 3: Cross multiply
    66,526.44x = 99,789.66 × 38,805
  4. Step 4: Simplify right side
    66,526.44x = 3,872,337,756.30
  5. Step 5: Solve for x
    x = 3,872,337,756.30/66,526.44
  6. Step 6: Final answer
    x = 58,207.50

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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.