Home / 75,546.20-113,315.70-25,621.40

Finding the Fourth Proportional to 75,546.20, 113,315.70 and 25,621.40

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Solution

The fourth proportional to 75,546.20, 113,315.70 and 25,621.40 is: 38,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,546.20 : 113,315.70 = 25,621.40 : x
  2. Step 2: Convert to fraction form
    75,546.20/113,315.70 = 25,621.40/x
  3. Step 3: Cross multiply
    75,546.20x = 113,315.70 × 25,621.40
  4. Step 4: Simplify right side
    75,546.20x = 2,903,306,875.98
  5. Step 5: Solve for x
    x = 2,903,306,875.98/75,546.20
  6. Step 6: Final answer
    x = 38,430.88

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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.