Home / 124,973.25-172,463.10-68,384.64

Finding the Fourth Proportional to 124,973.25, 172,463.10 and 68,384.64

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Solution

The fourth proportional to 124,973.25, 172,463.10 and 68,384.64 is: 94,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,973.25 : 172,463.10 = 68,384.64 : x
  2. Step 2: Convert to fraction form
    124,973.25/172,463.10 = 68,384.64/x
  3. Step 3: Cross multiply
    124,973.25x = 172,463.10 × 68,384.64
  4. Step 4: Simplify right side
    124,973.25x = 11,793,827,006.78
  5. Step 5: Solve for x
    x = 11,793,827,006.78/124,973.25
  6. Step 6: Final answer
    x = 94,370.81

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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.