Home / 52,090.65-78,105.80-45,863.17

Finding the Fourth Proportional to 52,090.65, 78,105.80 and 45,863.17

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Solution

The fourth proportional to 52,090.65, 78,105.80 and 45,863.17 is: 68,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.65 : 78,105.80 = 45,863.17 : x
  2. Step 2: Convert to fraction form
    52,090.65/78,105.80 = 45,863.17/x
  3. Step 3: Cross multiply
    52,090.65x = 78,105.80 × 45,863.17
  4. Step 4: Simplify right side
    52,090.65x = 3,582,179,502.78
  5. Step 5: Solve for x
    x = 3,582,179,502.78/52,090.65
  6. Step 6: Final answer
    x = 68,768.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.