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Finding the Fourth Proportional to 79,193.96, 118,868.70 and 59,520.68

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Solution

The fourth proportional to 79,193.96, 118,868.70 and 59,520.68 is: 89,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.96 : 118,868.70 = 59,520.68 : x
  2. Step 2: Convert to fraction form
    79,193.96/118,868.70 = 59,520.68/x
  3. Step 3: Cross multiply
    79,193.96x = 118,868.70 × 59,520.68
  4. Step 4: Simplify right side
    79,193.96x = 7,075,145,854.72
  5. Step 5: Solve for x
    x = 7,075,145,854.72/79,193.96
  6. Step 6: Final answer
    x = 89,339.46

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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.