Home / 76,943.52-115,455.90-54,598.57

Finding the Fourth Proportional to 76,943.52, 115,455.90 and 54,598.57

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Solution

The fourth proportional to 76,943.52, 115,455.90 and 54,598.57 is: 81,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,943.52 : 115,455.90 = 54,598.57 : x
  2. Step 2: Convert to fraction form
    76,943.52/115,455.90 = 54,598.57/x
  3. Step 3: Cross multiply
    76,943.52x = 115,455.90 × 54,598.57
  4. Step 4: Simplify right side
    76,943.52x = 6,303,727,010.96
  5. Step 5: Solve for x
    x = 6,303,727,010.96/76,943.52
  6. Step 6: Final answer
    x = 81,926.68

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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.