Home / 83,360.16-115,036.29-45,118.95

Finding the Fourth Proportional to 83,360.16, 115,036.29 and 45,118.95

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Solution

The fourth proportional to 83,360.16, 115,036.29 and 45,118.95 is: 62,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,360.16 : 115,036.29 = 45,118.95 : x
  2. Step 2: Convert to fraction form
    83,360.16/115,036.29 = 45,118.95/x
  3. Step 3: Cross multiply
    83,360.16x = 115,036.29 × 45,118.95
  4. Step 4: Simplify right side
    83,360.16x = 5,190,316,616.70
  5. Step 5: Solve for x
    x = 5,190,316,616.70/83,360.16
  6. Step 6: Final answer
    x = 62,263.76

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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.