Home / 124,651.20-172,033.29-70,205.16

Finding the Fourth Proportional to 124,651.20, 172,033.29 and 70,205.16

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Solution

The fourth proportional to 124,651.20, 172,033.29 and 70,205.16 is: 96,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,651.20 : 172,033.29 = 70,205.16 : x
  2. Step 2: Convert to fraction form
    124,651.20/172,033.29 = 70,205.16/x
  3. Step 3: Cross multiply
    124,651.20x = 172,033.29 × 70,205.16
  4. Step 4: Simplify right side
    124,651.20x = 12,077,624,649.78
  5. Step 5: Solve for x
    x = 12,077,624,649.78/124,651.20
  6. Step 6: Final answer
    x = 96,891.36

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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.