Home / 83,362.79-115,040.66-45,637.04

Finding the Fourth Proportional to 83,362.79, 115,040.66 and 45,637.04

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Solution

The fourth proportional to 83,362.79, 115,040.66 and 45,637.04 is: 62,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,362.79 : 115,040.66 = 45,637.04 : x
  2. Step 2: Convert to fraction form
    83,362.79/115,040.66 = 45,637.04/x
  3. Step 3: Cross multiply
    83,362.79x = 115,040.66 × 45,637.04
  4. Step 4: Simplify right side
    83,362.79x = 5,250,115,261.46
  5. Step 5: Solve for x
    x = 5,250,115,261.46/83,362.79
  6. Step 6: Final answer
    x = 62,979.12

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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.