Home / 52,768.49-72,819.81-28,895.18

Finding the Fourth Proportional to 52,768.49, 72,819.81 and 28,895.18

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Solution

The fourth proportional to 52,768.49, 72,819.81 and 28,895.18 is: 39,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.49 : 72,819.81 = 28,895.18 : x
  2. Step 2: Convert to fraction form
    52,768.49/72,819.81 = 28,895.18/x
  3. Step 3: Cross multiply
    52,768.49x = 72,819.81 × 28,895.18
  4. Step 4: Simplify right side
    52,768.49x = 2,104,141,699.57
  5. Step 5: Solve for x
    x = 2,104,141,699.57/52,768.49
  6. Step 6: Final answer
    x = 39,874.96

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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.