Home / 64,841.29-97,105.19-53,665.72

Finding the Fourth Proportional to 64,841.29, 97,105.19 and 53,665.72

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Solution

The fourth proportional to 64,841.29, 97,105.19 and 53,665.72 is: 80,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,841.29 : 97,105.19 = 53,665.72 : x
  2. Step 2: Convert to fraction form
    64,841.29/97,105.19 = 53,665.72/x
  3. Step 3: Cross multiply
    64,841.29x = 97,105.19 × 53,665.72
  4. Step 4: Simplify right side
    64,841.29x = 5,211,219,937.09
  5. Step 5: Solve for x
    x = 5,211,219,937.09/64,841.29
  6. Step 6: Final answer
    x = 80,368.85

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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.