Home / 124,997.64-187,497.18-51,125.64

Finding the Fourth Proportional to 124,997.64, 187,497.18 and 51,125.64

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Solution

The fourth proportional to 124,997.64, 187,497.18 and 51,125.64 is: 76,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,997.64 : 187,497.18 = 51,125.64 : x
  2. Step 2: Convert to fraction form
    124,997.64/187,497.18 = 51,125.64/x
  3. Step 3: Cross multiply
    124,997.64x = 187,497.18 × 51,125.64
  4. Step 4: Simplify right side
    124,997.64x = 9,585,913,325.70
  5. Step 5: Solve for x
    x = 9,585,913,325.70/124,997.64
  6. Step 6: Final answer
    x = 76,688.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.