Home / 79,746.66-119,649.15-27,161.46

Finding the Fourth Proportional to 79,746.66, 119,649.15 and 27,161.46

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Solution

The fourth proportional to 79,746.66, 119,649.15 and 27,161.46 is: 40,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.66 : 119,649.15 = 27,161.46 : x
  2. Step 2: Convert to fraction form
    79,746.66/119,649.15 = 27,161.46/x
  3. Step 3: Cross multiply
    79,746.66x = 119,649.15 × 27,161.46
  4. Step 4: Simplify right side
    79,746.66x = 3,249,845,601.76
  5. Step 5: Solve for x
    x = 3,249,845,601.76/79,746.66
  6. Step 6: Final answer
    x = 40,752.12

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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.