Home / 56,171.26-77,480.75-42,713.01

Finding the Fourth Proportional to 56,171.26, 77,480.75 and 42,713.01

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Solution

The fourth proportional to 56,171.26, 77,480.75 and 42,713.01 is: 58,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,171.26 : 77,480.75 = 42,713.01 : x
  2. Step 2: Convert to fraction form
    56,171.26/77,480.75 = 42,713.01/x
  3. Step 3: Cross multiply
    56,171.26x = 77,480.75 × 42,713.01
  4. Step 4: Simplify right side
    56,171.26x = 3,309,436,061.36
  5. Step 5: Solve for x
    x = 3,309,436,061.36/56,171.26
  6. Step 6: Final answer
    x = 58,916.89

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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.