Home / 64,331.05-88,780.40-35,650.11

Finding the Fourth Proportional to 64,331.05, 88,780.40 and 35,650.11

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Solution

The fourth proportional to 64,331.05, 88,780.40 and 35,650.11 is: 49,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,331.05 : 88,780.40 = 35,650.11 : x
  2. Step 2: Convert to fraction form
    64,331.05/88,780.40 = 35,650.11/x
  3. Step 3: Cross multiply
    64,331.05x = 88,780.40 × 35,650.11
  4. Step 4: Simplify right side
    64,331.05x = 3,165,031,389.89
  5. Step 5: Solve for x
    x = 3,165,031,389.89/64,331.05
  6. Step 6: Final answer
    x = 49,199.13

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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.