Home / 52,769.49-72,821.19-28,896.18

Finding the Fourth Proportional to 52,769.49, 72,821.19 and 28,896.18

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Solution

The fourth proportional to 52,769.49, 72,821.19 and 28,896.18 is: 39,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.49 : 72,821.19 = 28,896.18 : x
  2. Step 2: Convert to fraction form
    52,769.49/72,821.19 = 28,896.18/x
  3. Step 3: Cross multiply
    52,769.49x = 72,821.19 × 28,896.18
  4. Step 4: Simplify right side
    52,769.49x = 2,104,254,214.05
  5. Step 5: Solve for x
    x = 2,104,254,214.05/52,769.49
  6. Step 6: Final answer
    x = 39,876.34

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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.