Home / 65,774.78-98,622.71-30,191.59

Finding the Fourth Proportional to 65,774.78, 98,622.71 and 30,191.59

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Solution

The fourth proportional to 65,774.78, 98,622.71 and 30,191.59 is: 45,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,774.78 : 98,622.71 = 30,191.59 : x
  2. Step 2: Convert to fraction form
    65,774.78/98,622.71 = 30,191.59/x
  3. Step 3: Cross multiply
    65,774.78x = 98,622.71 × 30,191.59
  4. Step 4: Simplify right side
    65,774.78x = 2,977,576,125.62
  5. Step 5: Solve for x
    x = 2,977,576,125.62/65,774.78
  6. Step 6: Final answer
    x = 45,269.26

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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.