Home / 84,034.07-115,965.95-45,795.30

Finding the Fourth Proportional to 84,034.07, 115,965.95 and 45,795.30

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Solution

The fourth proportional to 84,034.07, 115,965.95 and 45,795.30 is: 63,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,034.07 : 115,965.95 = 45,795.30 : x
  2. Step 2: Convert to fraction form
    84,034.07/115,965.95 = 45,795.30/x
  3. Step 3: Cross multiply
    84,034.07x = 115,965.95 × 45,795.30
  4. Step 4: Simplify right side
    84,034.07x = 5,310,695,470.04
  5. Step 5: Solve for x
    x = 5,310,695,470.04/84,034.07
  6. Step 6: Final answer
    x = 63,196.93

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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.