Home / 83,136.20-114,726.66-45,409.64

Finding the Fourth Proportional to 83,136.20, 114,726.66 and 45,409.64

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Solution

The fourth proportional to 83,136.20, 114,726.66 and 45,409.64 is: 62,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136.20 : 114,726.66 = 45,409.64 : x
  2. Step 2: Convert to fraction form
    83,136.20/114,726.66 = 45,409.64/x
  3. Step 3: Cross multiply
    83,136.20x = 114,726.66 × 45,409.64
  4. Step 4: Simplify right side
    83,136.20x = 5,209,696,329.00
  5. Step 5: Solve for x
    x = 5,209,696,329.00/83,136.20
  6. Step 6: Final answer
    x = 62,664.60

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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.