Home / 124,838.42-172,277.02-68,249.80

Finding the Fourth Proportional to 124,838.42, 172,277.02 and 68,249.80

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Solution

The fourth proportional to 124,838.42, 172,277.02 and 68,249.80 is: 94,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838.42 : 172,277.02 = 68,249.80 : x
  2. Step 2: Convert to fraction form
    124,838.42/172,277.02 = 68,249.80/x
  3. Step 3: Cross multiply
    124,838.42x = 172,277.02 × 68,249.80
  4. Step 4: Simplify right side
    124,838.42x = 11,757,872,159.60
  5. Step 5: Solve for x
    x = 11,757,872,159.60/124,838.42
  6. Step 6: Final answer
    x = 94,184.72

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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.