Home / 75,158.20-103,718.10-41,624.20

Finding the Fourth Proportional to 75,158.20, 103,718.10 and 41,624.20

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Solution

The fourth proportional to 75,158.20, 103,718.10 and 41,624.20 is: 57,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.20 : 103,718.10 = 41,624.20 : x
  2. Step 2: Convert to fraction form
    75,158.20/103,718.10 = 41,624.20/x
  3. Step 3: Cross multiply
    75,158.20x = 103,718.10 × 41,624.20
  4. Step 4: Simplify right side
    75,158.20x = 4,317,182,938.02
  5. Step 5: Solve for x
    x = 4,317,182,938.02/75,158.20
  6. Step 6: Final answer
    x = 57,441.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.