Home / 76,973.28-115,370.28-32,585.28

Finding the Fourth Proportional to 76,973.28, 115,370.28 and 32,585.28

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Solution

The fourth proportional to 76,973.28, 115,370.28 and 32,585.28 is: 48,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,973.28 : 115,370.28 = 32,585.28 : x
  2. Step 2: Convert to fraction form
    76,973.28/115,370.28 = 32,585.28/x
  3. Step 3: Cross multiply
    76,973.28x = 115,370.28 × 32,585.28
  4. Step 4: Simplify right side
    76,973.28x = 3,759,372,877.48
  5. Step 5: Solve for x
    x = 3,759,372,877.48/76,973.28
  6. Step 6: Final answer
    x = 48,839.97

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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.