Home / 83,345.06-115,016.18-45,619.32

Finding the Fourth Proportional to 83,345.06, 115,016.18 and 45,619.32

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Solution

The fourth proportional to 83,345.06, 115,016.18 and 45,619.32 is: 62,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,345.06 : 115,016.18 = 45,619.32 : x
  2. Step 2: Convert to fraction form
    83,345.06/115,016.18 = 45,619.32/x
  3. Step 3: Cross multiply
    83,345.06x = 115,016.18 × 45,619.32
  4. Step 4: Simplify right side
    83,345.06x = 5,246,959,920.60
  5. Step 5: Solve for x
    x = 5,246,959,920.60/83,345.06
  6. Step 6: Final answer
    x = 62,954.66

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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.