Home / 75,775.12-113,583.40-25,837.72

Finding the Fourth Proportional to 75,775.12, 113,583.40 and 25,837.72

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Solution

The fourth proportional to 75,775.12, 113,583.40 and 25,837.72 is: 38,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,775.12 : 113,583.40 = 25,837.72 : x
  2. Step 2: Convert to fraction form
    75,775.12/113,583.40 = 25,837.72/x
  3. Step 3: Cross multiply
    75,775.12x = 113,583.40 × 25,837.72
  4. Step 4: Simplify right side
    75,775.12x = 2,934,736,085.85
  5. Step 5: Solve for x
    x = 2,934,736,085.85/75,775.12
  6. Step 6: Final answer
    x = 38,729.55

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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.