Home / 64,939.10-97,401.45-53,231.90

Finding the Fourth Proportional to 64,939.10, 97,401.45 and 53,231.90

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Solution

The fourth proportional to 64,939.10, 97,401.45 and 53,231.90 is: 79,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939.10 : 97,401.45 = 53,231.90 : x
  2. Step 2: Convert to fraction form
    64,939.10/97,401.45 = 53,231.90/x
  3. Step 3: Cross multiply
    64,939.10x = 97,401.45 × 53,231.90
  4. Step 4: Simplify right side
    64,939.10x = 5,184,864,246.26
  5. Step 5: Solve for x
    x = 5,184,864,246.26/64,939.10
  6. Step 6: Final answer
    x = 79,841.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.