Home / 52,721.56-72,755.75-28,848.23

Finding the Fourth Proportional to 52,721.56, 72,755.75 and 28,848.23

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Solution

The fourth proportional to 52,721.56, 72,755.75 and 28,848.23 is: 39,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721.56 : 72,755.75 = 28,848.23 : x
  2. Step 2: Convert to fraction form
    52,721.56/72,755.75 = 28,848.23/x
  3. Step 3: Cross multiply
    52,721.56x = 72,755.75 × 28,848.23
  4. Step 4: Simplify right side
    52,721.56x = 2,098,874,609.82
  5. Step 5: Solve for x
    x = 2,098,874,609.82/52,721.56
  6. Step 6: Final answer
    x = 39,810.56

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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.