Home / 77,517.74-106,991.15-47,296.58

Finding the Fourth Proportional to 77,517.74, 106,991.15 and 47,296.58

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Solution

The fourth proportional to 77,517.74, 106,991.15 and 47,296.58 is: 65,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,517.74 : 106,991.15 = 47,296.58 : x
  2. Step 2: Convert to fraction form
    77,517.74/106,991.15 = 47,296.58/x
  3. Step 3: Cross multiply
    77,517.74x = 106,991.15 × 47,296.58
  4. Step 4: Simplify right side
    77,517.74x = 5,060,314,713.83
  5. Step 5: Solve for x
    x = 5,060,314,713.83/77,517.74
  6. Step 6: Final answer
    x = 65,279.44

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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.