Home / 74,776.96-112,161.04-28,025.92

Finding the Fourth Proportional to 74,776.96, 112,161.04 and 28,025.92

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Solution

The fourth proportional to 74,776.96, 112,161.04 and 28,025.92 is: 42,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,776.96 : 112,161.04 = 28,025.92 : x
  2. Step 2: Convert to fraction form
    74,776.96/112,161.04 = 28,025.92/x
  3. Step 3: Cross multiply
    74,776.96x = 112,161.04 × 28,025.92
  4. Step 4: Simplify right side
    74,776.96x = 3,143,416,334.16
  5. Step 5: Solve for x
    x = 3,143,416,334.16/74,776.96
  6. Step 6: Final answer
    x = 42,037.23

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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.