Home / 77,427.35-106,864.33-50,523.15

Finding the Fourth Proportional to 77,427.35, 106,864.33 and 50,523.15

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Solution

The fourth proportional to 77,427.35, 106,864.33 and 50,523.15 is: 69,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,427.35 : 106,864.33 = 50,523.15 : x
  2. Step 2: Convert to fraction form
    77,427.35/106,864.33 = 50,523.15/x
  3. Step 3: Cross multiply
    77,427.35x = 106,864.33 × 50,523.15
  4. Step 4: Simplify right side
    77,427.35x = 5,399,122,447.93
  5. Step 5: Solve for x
    x = 5,399,122,447.93/77,427.35
  6. Step 6: Final answer
    x = 69,731.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.