Home / 64,839.29-97,102.19-53,663.72

Finding the Fourth Proportional to 64,839.29, 97,102.19 and 53,663.72

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Solution

The fourth proportional to 64,839.29, 97,102.19 and 53,663.72 is: 80,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,839.29 : 97,102.19 = 53,663.72 : x
  2. Step 2: Convert to fraction form
    64,839.29/97,102.19 = 53,663.72/x
  3. Step 3: Cross multiply
    64,839.29x = 97,102.19 × 53,663.72
  4. Step 4: Simplify right side
    64,839.29x = 5,210,864,384.20
  5. Step 5: Solve for x
    x = 5,210,864,384.20/64,839.29
  6. Step 6: Final answer
    x = 80,365.85

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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.