Home / 83,564.62-115,321-45,838.88

Finding the Fourth Proportional to 83,564.62, 115,321 and 45,838.88

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Solution

The fourth proportional to 83,564.62, 115,321 and 45,838.88 is: 63,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,564.62 : 115,321 = 45,838.88 : x
  2. Step 2: Convert to fraction form
    83,564.62/115,321 = 45,838.88/x
  3. Step 3: Cross multiply
    83,564.62x = 115,321 × 45,838.88
  4. Step 4: Simplify right side
    83,564.62x = 5,286,185,480.48
  5. Step 5: Solve for x
    x = 5,286,185,480.48/83,564.62
  6. Step 6: Final answer
    x = 63,258.66

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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.