Home / 124,741.64-172,145.94-68,156.52

Finding the Fourth Proportional to 124,741.64, 172,145.94 and 68,156.52

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Solution

The fourth proportional to 124,741.64, 172,145.94 and 68,156.52 is: 94,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,741.64 : 172,145.94 = 68,156.52 : x
  2. Step 2: Convert to fraction form
    124,741.64/172,145.94 = 68,156.52/x
  3. Step 3: Cross multiply
    124,741.64x = 172,145.94 × 68,156.52
  4. Step 4: Simplify right side
    124,741.64x = 11,732,868,202.53
  5. Step 5: Solve for x
    x = 11,732,868,202.53/124,741.64
  6. Step 6: Final answer
    x = 94,057.35

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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.