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Finding the Fourth Proportional to 88,329.40, 132,321.30 and 53,164.60

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Solution

The fourth proportional to 88,329.40, 132,321.30 and 53,164.60 is: 79,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,329.40 : 132,321.30 = 53,164.60 : x
  2. Step 2: Convert to fraction form
    88,329.40/132,321.30 = 53,164.60/x
  3. Step 3: Cross multiply
    88,329.40x = 132,321.30 × 53,164.60
  4. Step 4: Simplify right side
    88,329.40x = 7,034,808,985.98
  5. Step 5: Solve for x
    x = 7,034,808,985.98/88,329.40
  6. Step 6: Final answer
    x = 79,642.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.