Home / 52,212.41-72,053.20-28,339.08

Finding the Fourth Proportional to 52,212.41, 72,053.20 and 28,339.08

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Solution

The fourth proportional to 52,212.41, 72,053.20 and 28,339.08 is: 39,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.41 : 72,053.20 = 28,339.08 : x
  2. Step 2: Convert to fraction form
    52,212.41/72,053.20 = 28,339.08/x
  3. Step 3: Cross multiply
    52,212.41x = 72,053.20 × 28,339.08
  4. Step 4: Simplify right side
    52,212.41x = 2,041,921,399.06
  5. Step 5: Solve for x
    x = 2,041,921,399.06/52,212.41
  6. Step 6: Final answer
    x = 39,107.97

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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.