Home / 77,938.24-116,921.10-25,338.44

Finding the Fourth Proportional to 77,938.24, 116,921.10 and 25,338.44

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Solution

The fourth proportional to 77,938.24, 116,921.10 and 25,338.44 is: 38,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,938.24 : 116,921.10 = 25,338.44 : x
  2. Step 2: Convert to fraction form
    77,938.24/116,921.10 = 25,338.44/x
  3. Step 3: Cross multiply
    77,938.24x = 116,921.10 × 25,338.44
  4. Step 4: Simplify right side
    77,938.24x = 2,962,598,277.08
  5. Step 5: Solve for x
    x = 2,962,598,277.08/77,938.24
  6. Step 6: Final answer
    x = 38,012.13

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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.