Home / 75,305.40-112,943.52-25,380.24

Finding the Fourth Proportional to 75,305.40, 112,943.52 and 25,380.24

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Solution

The fourth proportional to 75,305.40, 112,943.52 and 25,380.24 is: 38,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,305.40 : 112,943.52 = 25,380.24 : x
  2. Step 2: Convert to fraction form
    75,305.40/112,943.52 = 25,380.24/x
  3. Step 3: Cross multiply
    75,305.40x = 112,943.52 × 25,380.24
  4. Step 4: Simplify right side
    75,305.40x = 2,866,533,644.04
  5. Step 5: Solve for x
    x = 2,866,533,644.04/75,305.40
  6. Step 6: Final answer
    x = 38,065.45

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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.