Home / 76,280.42-114,463.02-34,158.80

Finding the Fourth Proportional to 76,280.42, 114,463.02 and 34,158.80

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Solution

The fourth proportional to 76,280.42, 114,463.02 and 34,158.80 is: 51,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,280.42 : 114,463.02 = 34,158.80 : x
  2. Step 2: Convert to fraction form
    76,280.42/114,463.02 = 34,158.80/x
  3. Step 3: Cross multiply
    76,280.42x = 114,463.02 × 34,158.80
  4. Step 4: Simplify right side
    76,280.42x = 3,909,919,821.83
  5. Step 5: Solve for x
    x = 3,909,919,821.83/76,280.42
  6. Step 6: Final answer
    x = 51,257.19

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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.