Home / 52,769.12-72,821.08-28,895.68

Finding the Fourth Proportional to 52,769.12, 72,821.08 and 28,895.68

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Solution

The fourth proportional to 52,769.12, 72,821.08 and 28,895.68 is: 39,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.12 : 72,821.08 = 28,895.68 : x
  2. Step 2: Convert to fraction form
    52,769.12/72,821.08 = 28,895.68/x
  3. Step 3: Cross multiply
    52,769.12x = 72,821.08 × 28,895.68
  4. Step 4: Simplify right side
    52,769.12x = 2,104,214,624.93
  5. Step 5: Solve for x
    x = 2,104,214,624.93/52,769.12
  6. Step 6: Final answer
    x = 39,875.87

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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.