Home / 52,209.33-78,699.63-49,161.30

Finding the Fourth Proportional to 52,209.33, 78,699.63 and 49,161.30

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Solution

The fourth proportional to 52,209.33, 78,699.63 and 49,161.30 is: 74,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209.33 : 78,699.63 = 49,161.30 : x
  2. Step 2: Convert to fraction form
    52,209.33/78,699.63 = 49,161.30/x
  3. Step 3: Cross multiply
    52,209.33x = 78,699.63 × 49,161.30
  4. Step 4: Simplify right side
    52,209.33x = 3,868,975,935.96
  5. Step 5: Solve for x
    x = 3,868,975,935.96/52,209.33
  6. Step 6: Final answer
    x = 74,105.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.