Home / 52,212.28-72,053.02-28,338.96

Finding the Fourth Proportional to 52,212.28, 72,053.02 and 28,338.96

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Solution

The fourth proportional to 52,212.28, 72,053.02 and 28,338.96 is: 39,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.28 : 72,053.02 = 28,338.96 : x
  2. Step 2: Convert to fraction form
    52,212.28/72,053.02 = 28,338.96/x
  3. Step 3: Cross multiply
    52,212.28x = 72,053.02 × 28,338.96
  4. Step 4: Simplify right side
    52,212.28x = 2,041,907,651.66
  5. Step 5: Solve for x
    x = 2,041,907,651.66/52,212.28
  6. Step 6: Final answer
    x = 39,107.80

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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.