Home / 75,412.32-113,118.56-22,821.76

Finding the Fourth Proportional to 75,412.32, 113,118.56 and 22,821.76

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Solution

The fourth proportional to 75,412.32, 113,118.56 and 22,821.76 is: 34,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.32 : 113,118.56 = 22,821.76 : x
  2. Step 2: Convert to fraction form
    75,412.32/113,118.56 = 22,821.76/x
  3. Step 3: Cross multiply
    75,412.32x = 113,118.56 × 22,821.76
  4. Step 4: Simplify right side
    75,412.32x = 2,581,564,627.87
  5. Step 5: Solve for x
    x = 2,581,564,627.87/75,412.32
  6. Step 6: Final answer
    x = 34,232.66

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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.