Home / 61,688.65-85,135.37-34,837.69

Finding the Fourth Proportional to 61,688.65, 85,135.37 and 34,837.69

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Solution

The fourth proportional to 61,688.65, 85,135.37 and 34,837.69 is: 48,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,688.65 : 85,135.37 = 34,837.69 : x
  2. Step 2: Convert to fraction form
    61,688.65/85,135.37 = 34,837.69/x
  3. Step 3: Cross multiply
    61,688.65x = 85,135.37 × 34,837.69
  4. Step 4: Simplify right side
    61,688.65x = 2,965,919,453.91
  5. Step 5: Solve for x
    x = 2,965,919,453.91/61,688.65
  6. Step 6: Final answer
    x = 48,078.85

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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.