Home / 82,239.76-113,493.62-50,402.51

Finding the Fourth Proportional to 82,239.76, 113,493.62 and 50,402.51

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Solution

The fourth proportional to 82,239.76, 113,493.62 and 50,402.51 is: 69,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,239.76 : 113,493.62 = 50,402.51 : x
  2. Step 2: Convert to fraction form
    82,239.76/113,493.62 = 50,402.51/x
  3. Step 3: Cross multiply
    82,239.76x = 113,493.62 × 50,402.51
  4. Step 4: Simplify right side
    82,239.76x = 5,720,363,301.13
  5. Step 5: Solve for x
    x = 5,720,363,301.13/82,239.76
  6. Step 6: Final answer
    x = 69,557.15

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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.