Home / 88,693.34-132,969.35-51,210.90

Finding the Fourth Proportional to 88,693.34, 132,969.35 and 51,210.90

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Solution

The fourth proportional to 88,693.34, 132,969.35 and 51,210.90 is: 76,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,693.34 : 132,969.35 = 51,210.90 : x
  2. Step 2: Convert to fraction form
    88,693.34/132,969.35 = 51,210.90/x
  3. Step 3: Cross multiply
    88,693.34x = 132,969.35 × 51,210.90
  4. Step 4: Simplify right side
    88,693.34x = 6,809,480,213.94
  5. Step 5: Solve for x
    x = 6,809,480,213.94/88,693.34
  6. Step 6: Final answer
    x = 76,775.56

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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.