Home / 52,765.49-72,815.66-28,892.16

Finding the Fourth Proportional to 52,765.49, 72,815.66 and 28,892.16

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Solution

The fourth proportional to 52,765.49, 72,815.66 and 28,892.16 is: 39,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.49 : 72,815.66 = 28,892.16 : x
  2. Step 2: Convert to fraction form
    52,765.49/72,815.66 = 28,892.16/x
  3. Step 3: Cross multiply
    52,765.49x = 72,815.66 × 28,892.16
  4. Step 4: Simplify right side
    52,765.49x = 2,103,801,554.76
  5. Step 5: Solve for x
    x = 2,103,801,554.76/52,765.49
  6. Step 6: Final answer
    x = 39,870.79

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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.