Home / 53,165.20-79,674.90-43,323.70

Finding the Fourth Proportional to 53,165.20, 79,674.90 and 43,323.70

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Solution

The fourth proportional to 53,165.20, 79,674.90 and 43,323.70 is: 64,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.20 : 79,674.90 = 43,323.70 : x
  2. Step 2: Convert to fraction form
    53,165.20/79,674.90 = 43,323.70/x
  3. Step 3: Cross multiply
    53,165.20x = 79,674.90 × 43,323.70
  4. Step 4: Simplify right side
    53,165.20x = 3,451,811,465.13
  5. Step 5: Solve for x
    x = 3,451,811,465.13/53,165.20
  6. Step 6: Final answer
    x = 64,926.14

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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.