Home / 77,356.71-106,732.35-45,519.66

Finding the Fourth Proportional to 77,356.71, 106,732.35 and 45,519.66

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Solution

The fourth proportional to 77,356.71, 106,732.35 and 45,519.66 is: 62,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,356.71 : 106,732.35 = 45,519.66 : x
  2. Step 2: Convert to fraction form
    77,356.71/106,732.35 = 45,519.66/x
  3. Step 3: Cross multiply
    77,356.71x = 106,732.35 × 45,519.66
  4. Step 4: Simplify right side
    77,356.71x = 4,858,420,283.00
  5. Step 5: Solve for x
    x = 4,858,420,283.00/77,356.71
  6. Step 6: Final answer
    x = 62,805.42

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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.