Home / 75,048.11-112,572.35-30,674.85

Finding the Fourth Proportional to 75,048.11, 112,572.35 and 30,674.85

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Solution

The fourth proportional to 75,048.11, 112,572.35 and 30,674.85 is: 46,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,048.11 : 112,572.35 = 30,674.85 : x
  2. Step 2: Convert to fraction form
    75,048.11/112,572.35 = 30,674.85/x
  3. Step 3: Cross multiply
    75,048.11x = 112,572.35 × 30,674.85
  4. Step 4: Simplify right side
    75,048.11x = 3,453,139,797.02
  5. Step 5: Solve for x
    x = 3,453,139,797.02/75,048.11
  6. Step 6: Final answer
    x = 46,012.35

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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.