Home / 76,280.61-114,463.31-34,158.99

Finding the Fourth Proportional to 76,280.61, 114,463.31 and 34,158.99

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Solution

The fourth proportional to 76,280.61, 114,463.31 and 34,158.99 is: 51,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,280.61 : 114,463.31 = 34,158.99 : x
  2. Step 2: Convert to fraction form
    76,280.61/114,463.31 = 34,158.99/x
  3. Step 3: Cross multiply
    76,280.61x = 114,463.31 × 34,158.99
  4. Step 4: Simplify right side
    76,280.61x = 3,909,950,890.86
  5. Step 5: Solve for x
    x = 3,909,950,890.86/76,280.61
  6. Step 6: Final answer
    x = 51,257.47

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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.