Home / 107,471.18-148,298.43-62,142.29

Finding the Fourth Proportional to 107,471.18, 148,298.43 and 62,142.29

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Solution

The fourth proportional to 107,471.18, 148,298.43 and 62,142.29 is: 85,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,471.18 : 148,298.43 = 62,142.29 : x
  2. Step 2: Convert to fraction form
    107,471.18/148,298.43 = 62,142.29/x
  3. Step 3: Cross multiply
    107,471.18x = 148,298.43 × 62,142.29
  4. Step 4: Simplify right side
    107,471.18x = 9,215,604,043.60
  5. Step 5: Solve for x
    x = 9,215,604,043.60/107,471.18
  6. Step 6: Final answer
    x = 85,749.54

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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.