Home / 52,775.30-72,834.08-30,109.08

Finding the Fourth Proportional to 52,775.30, 72,834.08 and 30,109.08

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Solution

The fourth proportional to 52,775.30, 72,834.08 and 30,109.08 is: 41,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,775.30 : 72,834.08 = 30,109.08 : x
  2. Step 2: Convert to fraction form
    52,775.30/72,834.08 = 30,109.08/x
  3. Step 3: Cross multiply
    52,775.30x = 72,834.08 × 30,109.08
  4. Step 4: Simplify right side
    52,775.30x = 2,192,967,141.45
  5. Step 5: Solve for x
    x = 2,192,967,141.45/52,775.30
  6. Step 6: Final answer
    x = 41,552.91

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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.