Home / 52,231.09-72,079.05-28,357.87

Finding the Fourth Proportional to 52,231.09, 72,079.05 and 28,357.87

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Solution

The fourth proportional to 52,231.09, 72,079.05 and 28,357.87 is: 39,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.09 : 72,079.05 = 28,357.87 : x
  2. Step 2: Convert to fraction form
    52,231.09/72,079.05 = 28,357.87/x
  3. Step 3: Cross multiply
    52,231.09x = 72,079.05 × 28,357.87
  4. Step 4: Simplify right side
    52,231.09x = 2,044,008,329.62
  5. Step 5: Solve for x
    x = 2,044,008,329.62/52,231.09
  6. Step 6: Final answer
    x = 39,133.94

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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.