Home / 83,971.88-115,886.45-46,246.13

Finding the Fourth Proportional to 83,971.88, 115,886.45 and 46,246.13

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Solution

The fourth proportional to 83,971.88, 115,886.45 and 46,246.13 is: 63,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,971.88 : 115,886.45 = 46,246.13 : x
  2. Step 2: Convert to fraction form
    83,971.88/115,886.45 = 46,246.13/x
  3. Step 3: Cross multiply
    83,971.88x = 115,886.45 × 46,246.13
  4. Step 4: Simplify right side
    83,971.88x = 5,359,299,831.94
  5. Step 5: Solve for x
    x = 5,359,299,831.94/83,971.88
  6. Step 6: Final answer
    x = 63,822.55

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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.