Home / 75,048.10-112,572.34-30,674.86

Finding the Fourth Proportional to 75,048.10, 112,572.34 and 30,674.86

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Solution

The fourth proportional to 75,048.10, 112,572.34 and 30,674.86 is: 46,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,048.10 : 112,572.34 = 30,674.86 : x
  2. Step 2: Convert to fraction form
    75,048.10/112,572.34 = 30,674.86/x
  3. Step 3: Cross multiply
    75,048.10x = 112,572.34 × 30,674.86
  4. Step 4: Simplify right side
    75,048.10x = 3,453,140,769.37
  5. Step 5: Solve for x
    x = 3,453,140,769.37/75,048.10
  6. Step 6: Final answer
    x = 46,012.37

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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.