Home / 124,762.66-172,203.39-71,079.58

Finding the Fourth Proportional to 124,762.66, 172,203.39 and 71,079.58

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Solution

The fourth proportional to 124,762.66, 172,203.39 and 71,079.58 is: 98,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762.66 : 172,203.39 = 71,079.58 : x
  2. Step 2: Convert to fraction form
    124,762.66/172,203.39 = 71,079.58/x
  3. Step 3: Cross multiply
    124,762.66x = 172,203.39 × 71,079.58
  4. Step 4: Simplify right side
    124,762.66x = 12,240,144,635.78
  5. Step 5: Solve for x
    x = 12,240,144,635.78/124,762.66
  6. Step 6: Final answer
    x = 98,107.44

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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.