Home / 75,011.27-112,450.68-28,296.95

Finding the Fourth Proportional to 75,011.27, 112,450.68 and 28,296.95

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Solution

The fourth proportional to 75,011.27, 112,450.68 and 28,296.95 is: 42,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,011.27 : 112,450.68 = 28,296.95 : x
  2. Step 2: Convert to fraction form
    75,011.27/112,450.68 = 28,296.95/x
  3. Step 3: Cross multiply
    75,011.27x = 112,450.68 × 28,296.95
  4. Step 4: Simplify right side
    75,011.27x = 3,182,010,707.17
  5. Step 5: Solve for x
    x = 3,182,010,707.17/75,011.27
  6. Step 6: Final answer
    x = 42,420.44

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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.