Home / 124,903.04-172,366.24-68,314.88

Finding the Fourth Proportional to 124,903.04, 172,366.24 and 68,314.88

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Solution

The fourth proportional to 124,903.04, 172,366.24 and 68,314.88 is: 94,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,903.04 : 172,366.24 = 68,314.88 : x
  2. Step 2: Convert to fraction form
    124,903.04/172,366.24 = 68,314.88/x
  3. Step 3: Cross multiply
    124,903.04x = 172,366.24 × 68,314.88
  4. Step 4: Simplify right side
    124,903.04x = 11,775,179,001.65
  5. Step 5: Solve for x
    x = 11,775,179,001.65/124,903.04
  6. Step 6: Final answer
    x = 94,274.56

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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.