Home / 124,744.56-172,150.02-68,159.58

Finding the Fourth Proportional to 124,744.56, 172,150.02 and 68,159.58

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Solution

The fourth proportional to 124,744.56, 172,150.02 and 68,159.58 is: 94,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.56 : 172,150.02 = 68,159.58 : x
  2. Step 2: Convert to fraction form
    124,744.56/172,150.02 = 68,159.58/x
  3. Step 3: Cross multiply
    124,744.56x = 172,150.02 × 68,159.58
  4. Step 4: Simplify right side
    124,744.56x = 11,733,673,060.19
  5. Step 5: Solve for x
    x = 11,733,673,060.19/124,744.56
  6. Step 6: Final answer
    x = 94,061.60

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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.