Home / 115,825.10-173,640.45-60,421.10

Finding the Fourth Proportional to 115,825.10, 173,640.45 and 60,421.10

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Solution

The fourth proportional to 115,825.10, 173,640.45 and 60,421.10 is: 90,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,825.10 : 173,640.45 = 60,421.10 : x
  2. Step 2: Convert to fraction form
    115,825.10/173,640.45 = 60,421.10/x
  3. Step 3: Cross multiply
    115,825.10x = 173,640.45 × 60,421.10
  4. Step 4: Simplify right side
    115,825.10x = 10,491,546,993.50
  5. Step 5: Solve for x
    x = 10,491,546,993.50/115,825.10
  6. Step 6: Final answer
    x = 90,580.94

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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.