Home / 57,476.23-86,135.75-43,424.75

Finding the Fourth Proportional to 57,476.23, 86,135.75 and 43,424.75

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Solution

The fourth proportional to 57,476.23, 86,135.75 and 43,424.75 is: 65,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,476.23 : 86,135.75 = 43,424.75 : x
  2. Step 2: Convert to fraction form
    57,476.23/86,135.75 = 43,424.75/x
  3. Step 3: Cross multiply
    57,476.23x = 86,135.75 × 43,424.75
  4. Step 4: Simplify right side
    57,476.23x = 3,740,423,192.69
  5. Step 5: Solve for x
    x = 3,740,423,192.69/57,476.23
  6. Step 6: Final answer
    x = 65,077.75

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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.