Home / 76,518.79-114,808.56-34,387.45

Finding the Fourth Proportional to 76,518.79, 114,808.56 and 34,387.45

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Solution

The fourth proportional to 76,518.79, 114,808.56 and 34,387.45 is: 51,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,518.79 : 114,808.56 = 34,387.45 : x
  2. Step 2: Convert to fraction form
    76,518.79/114,808.56 = 34,387.45/x
  3. Step 3: Cross multiply
    76,518.79x = 114,808.56 × 34,387.45
  4. Step 4: Simplify right side
    76,518.79x = 3,947,973,616.57
  5. Step 5: Solve for x
    x = 3,947,973,616.57/76,518.79
  6. Step 6: Final answer
    x = 51,594.83

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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.