Home / 45,303.12-67,949.40-12,025.77

Finding the Fourth Proportional to 45,303.12, 67,949.40 and 12,025.77

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Solution

The fourth proportional to 45,303.12, 67,949.40 and 12,025.77 is: 18,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,303.12 : 67,949.40 = 12,025.77 : x
  2. Step 2: Convert to fraction form
    45,303.12/67,949.40 = 12,025.77/x
  3. Step 3: Cross multiply
    45,303.12x = 67,949.40 × 12,025.77
  4. Step 4: Simplify right side
    45,303.12x = 817,143,856.04
  5. Step 5: Solve for x
    x = 817,143,856.04/45,303.12
  6. Step 6: Final answer
    x = 18,037.25

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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.