Home / 61,031.28-91,585.44-25,970.88

Finding the Fourth Proportional to 61,031.28, 91,585.44 and 25,970.88

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Solution

The fourth proportional to 61,031.28, 91,585.44 and 25,970.88 is: 38,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,031.28 : 91,585.44 = 25,970.88 : x
  2. Step 2: Convert to fraction form
    61,031.28/91,585.44 = 25,970.88/x
  3. Step 3: Cross multiply
    61,031.28x = 91,585.44 × 25,970.88
  4. Step 4: Simplify right side
    61,031.28x = 2,378,554,471.99
  5. Step 5: Solve for x
    x = 2,378,554,471.99/61,031.28
  6. Step 6: Final answer
    x = 38,972.71

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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.