Home / 76,660.56-114,407.93-71,584.52

Finding the Fourth Proportional to 76,660.56, 114,407.93 and 71,584.52

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Solution

The fourth proportional to 76,660.56, 114,407.93 and 71,584.52 is: 106,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,660.56 : 114,407.93 = 71,584.52 : x
  2. Step 2: Convert to fraction form
    76,660.56/114,407.93 = 71,584.52/x
  3. Step 3: Cross multiply
    76,660.56x = 114,407.93 × 71,584.52
  4. Step 4: Simplify right side
    76,660.56x = 8,189,835,823.28
  5. Step 5: Solve for x
    x = 8,189,835,823.28/76,660.56
  6. Step 6: Final answer
    x = 106,832.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.