Home / 61,535.17-84,918.78-34,678.09

Finding the Fourth Proportional to 61,535.17, 84,918.78 and 34,678.09

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Solution

The fourth proportional to 61,535.17, 84,918.78 and 34,678.09 is: 47,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,535.17 : 84,918.78 = 34,678.09 : x
  2. Step 2: Convert to fraction form
    61,535.17/84,918.78 = 34,678.09/x
  3. Step 3: Cross multiply
    61,535.17x = 84,918.78 × 34,678.09
  4. Step 4: Simplify right side
    61,535.17x = 2,944,821,095.53
  5. Step 5: Solve for x
    x = 2,944,821,095.53/61,535.17
  6. Step 6: Final answer
    x = 47,855.90

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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.