Home / 77,512.82-106,967.75-45,269.42

Finding the Fourth Proportional to 77,512.82, 106,967.75 and 45,269.42

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Solution

The fourth proportional to 77,512.82, 106,967.75 and 45,269.42 is: 62,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512.82 : 106,967.75 = 45,269.42 : x
  2. Step 2: Convert to fraction form
    77,512.82/106,967.75 = 45,269.42/x
  3. Step 3: Cross multiply
    77,512.82x = 106,967.75 × 45,269.42
  4. Step 4: Simplify right side
    77,512.82x = 4,842,367,240.02
  5. Step 5: Solve for x
    x = 4,842,367,240.02/77,512.82
  6. Step 6: Final answer
    x = 62,471.83

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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.