Home / 88,500.40-132,556.20-53,378.80

Finding the Fourth Proportional to 88,500.40, 132,556.20 and 53,378.80

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Solution

The fourth proportional to 88,500.40, 132,556.20 and 53,378.80 is: 79,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,500.40 : 132,556.20 = 53,378.80 : x
  2. Step 2: Convert to fraction form
    88,500.40/132,556.20 = 53,378.80/x
  3. Step 3: Cross multiply
    88,500.40x = 132,556.20 × 53,378.80
  4. Step 4: Simplify right side
    88,500.40x = 7,075,690,888.56
  5. Step 5: Solve for x
    x = 7,075,690,888.56/88,500.40
  6. Step 6: Final answer
    x = 79,950.95

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1.5x scale

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.