Home / 124,744.64-172,150.08-68,159.52

Finding the Fourth Proportional to 124,744.64, 172,150.08 and 68,159.52

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Solution

The fourth proportional to 124,744.64, 172,150.08 and 68,159.52 is: 94,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.64 : 172,150.08 = 68,159.52 : x
  2. Step 2: Convert to fraction form
    124,744.64/172,150.08 = 68,159.52/x
  3. Step 3: Cross multiply
    124,744.64x = 172,150.08 × 68,159.52
  4. Step 4: Simplify right side
    124,744.64x = 11,733,666,820.76
  5. Step 5: Solve for x
    x = 11,733,666,820.76/124,744.64
  6. Step 6: Final answer
    x = 94,061.49

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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.