Home / 52,268.99-72,131.30-28,395.69

Finding the Fourth Proportional to 52,268.99, 72,131.30 and 28,395.69

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Solution

The fourth proportional to 52,268.99, 72,131.30 and 28,395.69 is: 39,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,268.99 : 72,131.30 = 28,395.69 : x
  2. Step 2: Convert to fraction form
    52,268.99/72,131.30 = 28,395.69/x
  3. Step 3: Cross multiply
    52,268.99x = 72,131.30 × 28,395.69
  4. Step 4: Simplify right side
    52,268.99x = 2,048,218,034.10
  5. Step 5: Solve for x
    x = 2,048,218,034.10/52,268.99
  6. Step 6: Final answer
    x = 39,186.10

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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.