Home / 53,161.58-79,723.65-15,711.68

Finding the Fourth Proportional to 53,161.58, 79,723.65 and 15,711.68

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Solution

The fourth proportional to 53,161.58, 79,723.65 and 15,711.68 is: 23,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.58 : 79,723.65 = 15,711.68 : x
  2. Step 2: Convert to fraction form
    53,161.58/79,723.65 = 15,711.68/x
  3. Step 3: Cross multiply
    53,161.58x = 79,723.65 × 15,711.68
  4. Step 4: Simplify right side
    53,161.58x = 1,252,592,477.23
  5. Step 5: Solve for x
    x = 1,252,592,477.23/53,161.58
  6. Step 6: Final answer
    x = 23,561.99

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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.