Home / 42,122.28-58,102.20-26,999.34

Finding the Fourth Proportional to 42,122.28, 58,102.20 and 26,999.34

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Solution

The fourth proportional to 42,122.28, 58,102.20 and 26,999.34 is: 37,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.28 : 58,102.20 = 26,999.34 : x
  2. Step 2: Convert to fraction form
    42,122.28/58,102.20 = 26,999.34/x
  3. Step 3: Cross multiply
    42,122.28x = 58,102.20 × 26,999.34
  4. Step 4: Simplify right side
    42,122.28x = 1,568,721,052.55
  5. Step 5: Solve for x
    x = 1,568,721,052.55/42,122.28
  6. Step 6: Final answer
    x = 37,242.07

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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.