Home / 88,380.42-132,570.63-51,418.50

Finding the Fourth Proportional to 88,380.42, 132,570.63 and 51,418.50

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Solution

The fourth proportional to 88,380.42, 132,570.63 and 51,418.50 is: 77,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,380.42 : 132,570.63 = 51,418.50 : x
  2. Step 2: Convert to fraction form
    88,380.42/132,570.63 = 51,418.50/x
  3. Step 3: Cross multiply
    88,380.42x = 132,570.63 × 51,418.50
  4. Step 4: Simplify right side
    88,380.42x = 6,816,582,938.66
  5. Step 5: Solve for x
    x = 6,816,582,938.66/88,380.42
  6. Step 6: Final answer
    x = 77,127.75

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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.