Home / 79,742.49-119,531.66-35,390.13

Finding the Fourth Proportional to 79,742.49, 119,531.66 and 35,390.13

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Solution

The fourth proportional to 79,742.49, 119,531.66 and 35,390.13 is: 53,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,742.49 : 119,531.66 = 35,390.13 : x
  2. Step 2: Convert to fraction form
    79,742.49/119,531.66 = 35,390.13/x
  3. Step 3: Cross multiply
    79,742.49x = 119,531.66 × 35,390.13
  4. Step 4: Simplify right side
    79,742.49x = 4,230,240,809.57
  5. Step 5: Solve for x
    x = 4,230,240,809.57/79,742.49
  6. Step 6: Final answer
    x = 53,048.77

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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.