Home / 65,146.20-97,865.10-62,667.60

Finding the Fourth Proportional to 65,146.20, 97,865.10 and 62,667.60

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Solution

The fourth proportional to 65,146.20, 97,865.10 and 62,667.60 is: 94,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,146.20 : 97,865.10 = 62,667.60 : x
  2. Step 2: Convert to fraction form
    65,146.20/97,865.10 = 62,667.60/x
  3. Step 3: Cross multiply
    65,146.20x = 97,865.10 × 62,667.60
  4. Step 4: Simplify right side
    65,146.20x = 6,132,970,940.76
  5. Step 5: Solve for x
    x = 6,132,970,940.76/65,146.20
  6. Step 6: Final answer
    x = 94,141.65

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1.5x scale

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.