Home / 79,919.28-119,862.36-37,781.46

Finding the Fourth Proportional to 79,919.28, 119,862.36 and 37,781.46

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Solution

The fourth proportional to 79,919.28, 119,862.36 and 37,781.46 is: 56,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.28 : 119,862.36 = 37,781.46 : x
  2. Step 2: Convert to fraction form
    79,919.28/119,862.36 = 37,781.46/x
  3. Step 3: Cross multiply
    79,919.28x = 119,862.36 × 37,781.46
  4. Step 4: Simplify right side
    79,919.28x = 4,528,574,959.85
  5. Step 5: Solve for x
    x = 4,528,574,959.85/79,919.28
  6. Step 6: Final answer
    x = 56,664.36

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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.