Home / 76,721.23-114,928.75-60,952.96

Finding the Fourth Proportional to 76,721.23, 114,928.75 and 60,952.96

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Solution

The fourth proportional to 76,721.23, 114,928.75 and 60,952.96 is: 91,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,721.23 : 114,928.75 = 60,952.96 : x
  2. Step 2: Convert to fraction form
    76,721.23/114,928.75 = 60,952.96/x
  3. Step 3: Cross multiply
    76,721.23x = 114,928.75 × 60,952.96
  4. Step 4: Simplify right side
    76,721.23x = 7,005,247,501.60
  5. Step 5: Solve for x
    x = 7,005,247,501.60/76,721.23
  6. Step 6: Final answer
    x = 91,307.81

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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.