Home / 75,746.80-113,620.20-25,810.30

Finding the Fourth Proportional to 75,746.80, 113,620.20 and 25,810.30

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Solution

The fourth proportional to 75,746.80, 113,620.20 and 25,810.30 is: 38,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,746.80 : 113,620.20 = 25,810.30 : x
  2. Step 2: Convert to fraction form
    75,746.80/113,620.20 = 25,810.30/x
  3. Step 3: Cross multiply
    75,746.80x = 113,620.20 × 25,810.30
  4. Step 4: Simplify right side
    75,746.80x = 2,932,571,448.06
  5. Step 5: Solve for x
    x = 2,932,571,448.06/75,746.80
  6. Step 6: Final answer
    x = 38,715.45

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Similar ratio
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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.