Home / 77,143.80-115,724.21-24,541.01

Finding the Fourth Proportional to 77,143.80, 115,724.21 and 24,541.01

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Solution

The fourth proportional to 77,143.80, 115,724.21 and 24,541.01 is: 36,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,143.80 : 115,724.21 = 24,541.01 : x
  2. Step 2: Convert to fraction form
    77,143.80/115,724.21 = 24,541.01/x
  3. Step 3: Cross multiply
    77,143.80x = 115,724.21 × 24,541.01
  4. Step 4: Simplify right side
    77,143.80x = 2,839,988,293.53
  5. Step 5: Solve for x
    x = 2,839,988,293.53/77,143.80
  6. Step 6: Final answer
    x = 36,814.21

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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.