Home / 77,079.33-115,548.91-29,664.18

Finding the Fourth Proportional to 77,079.33, 115,548.91 and 29,664.18

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Solution

The fourth proportional to 77,079.33, 115,548.91 and 29,664.18 is: 44,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,079.33 : 115,548.91 = 29,664.18 : x
  2. Step 2: Convert to fraction form
    77,079.33/115,548.91 = 29,664.18/x
  3. Step 3: Cross multiply
    77,079.33x = 115,548.91 × 29,664.18
  4. Step 4: Simplify right side
    77,079.33x = 3,427,663,665.04
  5. Step 5: Solve for x
    x = 3,427,663,665.04/77,079.33
  6. Step 6: Final answer
    x = 44,469.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.