Home / 68,772.33-94,913.69-38,565.81

Finding the Fourth Proportional to 68,772.33, 94,913.69 and 38,565.81

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Solution

The fourth proportional to 68,772.33, 94,913.69 and 38,565.81 is: 53,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,772.33 : 94,913.69 = 38,565.81 : x
  2. Step 2: Convert to fraction form
    68,772.33/94,913.69 = 38,565.81/x
  3. Step 3: Cross multiply
    68,772.33x = 94,913.69 × 38,565.81
  4. Step 4: Simplify right side
    68,772.33x = 3,660,423,142.11
  5. Step 5: Solve for x
    x = 3,660,423,142.11/68,772.33
  6. Step 6: Final answer
    x = 53,225.23

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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.