Home / 76,934.38-106,169.06-42,940.92

Finding the Fourth Proportional to 76,934.38, 106,169.06 and 42,940.92

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Solution

The fourth proportional to 76,934.38, 106,169.06 and 42,940.92 is: 59,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,934.38 : 106,169.06 = 42,940.92 : x
  2. Step 2: Convert to fraction form
    76,934.38/106,169.06 = 42,940.92/x
  3. Step 3: Cross multiply
    76,934.38x = 106,169.06 × 42,940.92
  4. Step 4: Simplify right side
    76,934.38x = 4,558,997,111.94
  5. Step 5: Solve for x
    x = 4,558,997,111.94/76,934.38
  6. Step 6: Final answer
    x = 59,258.26

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1.5x scale

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.