Home / 53,156.14-79,734.12-15,716.68

Finding the Fourth Proportional to 53,156.14, 79,734.12 and 15,716.68

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Solution

The fourth proportional to 53,156.14, 79,734.12 and 15,716.68 is: 23,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156.14 : 79,734.12 = 15,716.68 : x
  2. Step 2: Convert to fraction form
    53,156.14/79,734.12 = 15,716.68/x
  3. Step 3: Cross multiply
    53,156.14x = 79,734.12 × 15,716.68
  4. Step 4: Simplify right side
    53,156.14x = 1,253,155,649.12
  5. Step 5: Solve for x
    x = 1,253,155,649.12/53,156.14
  6. Step 6: Final answer
    x = 23,574.99

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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.