Home / 77,034.54-115,569.09-25,747.05

Finding the Fourth Proportional to 77,034.54, 115,569.09 and 25,747.05

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Solution

The fourth proportional to 77,034.54, 115,569.09 and 25,747.05 is: 38,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,034.54 : 115,569.09 = 25,747.05 : x
  2. Step 2: Convert to fraction form
    77,034.54/115,569.09 = 25,747.05/x
  3. Step 3: Cross multiply
    77,034.54x = 115,569.09 × 25,747.05
  4. Step 4: Simplify right side
    77,034.54x = 2,975,563,138.68
  5. Step 5: Solve for x
    x = 2,975,563,138.68/77,034.54
  6. Step 6: Final answer
    x = 38,626.35

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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.