Home / 57,364.46-86,068.76-27,780.02

Finding the Fourth Proportional to 57,364.46, 86,068.76 and 27,780.02

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Solution

The fourth proportional to 57,364.46, 86,068.76 and 27,780.02 is: 41,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.46 : 86,068.76 = 27,780.02 : x
  2. Step 2: Convert to fraction form
    57,364.46/86,068.76 = 27,780.02/x
  3. Step 3: Cross multiply
    57,364.46x = 86,068.76 × 27,780.02
  4. Step 4: Simplify right side
    57,364.46x = 2,390,991,735.28
  5. Step 5: Solve for x
    x = 2,390,991,735.28/57,364.46
  6. Step 6: Final answer
    x = 41,680.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.