Home / 88,211.70-132,317.55-53,133.30

Finding the Fourth Proportional to 88,211.70, 132,317.55 and 53,133.30

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Solution

The fourth proportional to 88,211.70, 132,317.55 and 53,133.30 is: 79,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,211.70 : 132,317.55 = 53,133.30 : x
  2. Step 2: Convert to fraction form
    88,211.70/132,317.55 = 53,133.30/x
  3. Step 3: Cross multiply
    88,211.70x = 132,317.55 × 53,133.30
  4. Step 4: Simplify right side
    88,211.70x = 7,030,468,079.42
  5. Step 5: Solve for x
    x = 7,030,468,079.42/88,211.70
  6. Step 6: Final answer
    x = 79,699.95

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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.