Home / 83,344.13-115,015.71-45,619.19

Finding the Fourth Proportional to 83,344.13, 115,015.71 and 45,619.19

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Solution

The fourth proportional to 83,344.13, 115,015.71 and 45,619.19 is: 62,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,344.13 : 115,015.71 = 45,619.19 : x
  2. Step 2: Convert to fraction form
    83,344.13/115,015.71 = 45,619.19/x
  3. Step 3: Cross multiply
    83,344.13x = 115,015.71 × 45,619.19
  4. Step 4: Simplify right side
    83,344.13x = 5,246,922,952.40
  5. Step 5: Solve for x
    x = 5,246,922,952.40/83,344.13
  6. Step 6: Final answer
    x = 62,954.92

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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.