Home / 124,904.27-172,372.01-68,315.64

Finding the Fourth Proportional to 124,904.27, 172,372.01 and 68,315.64

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Solution

The fourth proportional to 124,904.27, 172,372.01 and 68,315.64 is: 94,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,904.27 : 172,372.01 = 68,315.64 : x
  2. Step 2: Convert to fraction form
    124,904.27/172,372.01 = 68,315.64/x
  3. Step 3: Cross multiply
    124,904.27x = 172,372.01 × 68,315.64
  4. Step 4: Simplify right side
    124,904.27x = 11,775,704,181.24
  5. Step 5: Solve for x
    x = 11,775,704,181.24/124,904.27
  6. Step 6: Final answer
    x = 94,277.84

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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.