Home / 124,973.31-172,462.95-67,612.44

Finding the Fourth Proportional to 124,973.31, 172,462.95 and 67,612.44

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Solution

The fourth proportional to 124,973.31, 172,462.95 and 67,612.44 is: 93,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,973.31 : 172,462.95 = 67,612.44 : x
  2. Step 2: Convert to fraction form
    124,973.31/172,462.95 = 67,612.44/x
  3. Step 3: Cross multiply
    124,973.31x = 172,462.95 × 67,612.44
  4. Step 4: Simplify right side
    124,973.31x = 11,660,640,859.10
  5. Step 5: Solve for x
    x = 11,660,640,859.10/124,973.31
  6. Step 6: Final answer
    x = 93,305.05

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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.