Home / 77,023.74-115,549.26-34,902.12

Finding the Fourth Proportional to 77,023.74, 115,549.26 and 34,902.12

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Solution

The fourth proportional to 77,023.74, 115,549.26 and 34,902.12 is: 52,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,023.74 : 115,549.26 = 34,902.12 : x
  2. Step 2: Convert to fraction form
    77,023.74/115,549.26 = 34,902.12/x
  3. Step 3: Cross multiply
    77,023.74x = 115,549.26 × 34,902.12
  4. Step 4: Simplify right side
    77,023.74x = 4,032,914,138.43
  5. Step 5: Solve for x
    x = 4,032,914,138.43/77,023.74
  6. Step 6: Final answer
    x = 52,359.37

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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.