Home / 124,924.92-172,396.56-68,336.28

Finding the Fourth Proportional to 124,924.92, 172,396.56 and 68,336.28

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Solution

The fourth proportional to 124,924.92, 172,396.56 and 68,336.28 is: 94,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,924.92 : 172,396.56 = 68,336.28 : x
  2. Step 2: Convert to fraction form
    124,924.92/172,396.56 = 68,336.28/x
  3. Step 3: Cross multiply
    124,924.92x = 172,396.56 × 68,336.28
  4. Step 4: Simplify right side
    124,924.92x = 11,780,939,595.20
  5. Step 5: Solve for x
    x = 11,780,939,595.20/124,924.92
  6. Step 6: Final answer
    x = 94,304.16

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1.5x scale

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.