Home / 52,260.28-72,118.38-29,289.76

Finding the Fourth Proportional to 52,260.28, 72,118.38 and 29,289.76

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Solution

The fourth proportional to 52,260.28, 72,118.38 and 29,289.76 is: 40,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.28 : 72,118.38 = 29,289.76 : x
  2. Step 2: Convert to fraction form
    52,260.28/72,118.38 = 29,289.76/x
  3. Step 3: Cross multiply
    52,260.28x = 72,118.38 × 29,289.76
  4. Step 4: Simplify right side
    52,260.28x = 2,112,330,041.79
  5. Step 5: Solve for x
    x = 2,112,330,041.79/52,260.28
  6. Step 6: Final answer
    x = 40,419.42

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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.