Home / 77,118.25-106,422.44-43,126.35

Finding the Fourth Proportional to 77,118.25, 106,422.44 and 43,126.35

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Solution

The fourth proportional to 77,118.25, 106,422.44 and 43,126.35 is: 59,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,118.25 : 106,422.44 = 43,126.35 : x
  2. Step 2: Convert to fraction form
    77,118.25/106,422.44 = 43,126.35/x
  3. Step 3: Cross multiply
    77,118.25x = 106,422.44 × 43,126.35
  4. Step 4: Simplify right side
    77,118.25x = 4,589,611,395.29
  5. Step 5: Solve for x
    x = 4,589,611,395.29/77,118.25
  6. Step 6: Final answer
    x = 59,513.95

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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.