Home / 125,115.36-172,659.24-68,527.68

Finding the Fourth Proportional to 125,115.36, 172,659.24 and 68,527.68

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Solution

The fourth proportional to 125,115.36, 172,659.24 and 68,527.68 is: 94,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,115.36 : 172,659.24 = 68,527.68 : x
  2. Step 2: Convert to fraction form
    125,115.36/172,659.24 = 68,527.68/x
  3. Step 3: Cross multiply
    125,115.36x = 172,659.24 × 68,527.68
  4. Step 4: Simplify right side
    125,115.36x = 11,831,937,147.76
  5. Step 5: Solve for x
    x = 11,831,937,147.76/125,115.36
  6. Step 6: Final answer
    x = 94,568.22

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1.5x scale

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.