Home / 84,045.57-115,982.55-46,319.82

Finding the Fourth Proportional to 84,045.57, 115,982.55 and 46,319.82

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Solution

The fourth proportional to 84,045.57, 115,982.55 and 46,319.82 is: 63,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,045.57 : 115,982.55 = 46,319.82 : x
  2. Step 2: Convert to fraction form
    84,045.57/115,982.55 = 46,319.82/x
  3. Step 3: Cross multiply
    84,045.57x = 115,982.55 × 46,319.82
  4. Step 4: Simplify right side
    84,045.57x = 5,372,290,839.14
  5. Step 5: Solve for x
    x = 5,372,290,839.14/84,045.57
  6. Step 6: Final answer
    x = 63,921.17

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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.