Home / 55,114.79-76,059.29-31,240.97

Finding the Fourth Proportional to 55,114.79, 76,059.29 and 31,240.97

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Solution

The fourth proportional to 55,114.79, 76,059.29 and 31,240.97 is: 43,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,114.79 : 76,059.29 = 31,240.97 : x
  2. Step 2: Convert to fraction form
    55,114.79/76,059.29 = 31,240.97/x
  3. Step 3: Cross multiply
    55,114.79x = 76,059.29 × 31,240.97
  4. Step 4: Simplify right side
    55,114.79x = 2,376,165,997.11
  5. Step 5: Solve for x
    x = 2,376,165,997.11/55,114.79
  6. Step 6: Final answer
    x = 43,113.04

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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.