Home / 75,530.20-113,291.70-25,605.40

Finding the Fourth Proportional to 75,530.20, 113,291.70 and 25,605.40

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Solution

The fourth proportional to 75,530.20, 113,291.70 and 25,605.40 is: 38,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.20 : 113,291.70 = 25,605.40 : x
  2. Step 2: Convert to fraction form
    75,530.20/113,291.70 = 25,605.40/x
  3. Step 3: Cross multiply
    75,530.20x = 113,291.70 × 25,605.40
  4. Step 4: Simplify right side
    75,530.20x = 2,900,879,295.18
  5. Step 5: Solve for x
    x = 2,900,879,295.18/75,530.20
  6. Step 6: Final answer
    x = 38,406.88

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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.