Home / 56,116.16-84,122.40-45,644.48

Finding the Fourth Proportional to 56,116.16, 84,122.40 and 45,644.48

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Solution

The fourth proportional to 56,116.16, 84,122.40 and 45,644.48 is: 68,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.16 : 84,122.40 = 45,644.48 : x
  2. Step 2: Convert to fraction form
    56,116.16/84,122.40 = 45,644.48/x
  3. Step 3: Cross multiply
    56,116.16x = 84,122.40 × 45,644.48
  4. Step 4: Simplify right side
    56,116.16x = 3,839,723,204.35
  5. Step 5: Solve for x
    x = 3,839,723,204.35/56,116.16
  6. Step 6: Final answer
    x = 68,424.55

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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.