Home / 65,199.29-89,977.24-36,520.19

Finding the Fourth Proportional to 65,199.29, 89,977.24 and 36,520.19

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Solution

The fourth proportional to 65,199.29, 89,977.24 and 36,520.19 is: 50,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199.29 : 89,977.24 = 36,520.19 : x
  2. Step 2: Convert to fraction form
    65,199.29/89,977.24 = 36,520.19/x
  3. Step 3: Cross multiply
    65,199.29x = 89,977.24 × 36,520.19
  4. Step 4: Simplify right side
    65,199.29x = 3,285,985,267.99
  5. Step 5: Solve for x
    x = 3,285,985,267.99/65,199.29
  6. Step 6: Final answer
    x = 50,399.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.