Home / 121,627.08-167,885.46-71,325

Finding the Fourth Proportional to 121,627.08, 167,885.46 and 71,325

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Solution

The fourth proportional to 121,627.08, 167,885.46 and 71,325 is: 98,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,627.08 : 167,885.46 = 71,325 : x
  2. Step 2: Convert to fraction form
    121,627.08/167,885.46 = 71,325/x
  3. Step 3: Cross multiply
    121,627.08x = 167,885.46 × 71,325
  4. Step 4: Simplify right side
    121,627.08x = 11,974,430,434.50
  5. Step 5: Solve for x
    x = 11,974,430,434.50/121,627.08
  6. Step 6: Final answer
    x = 98,452.01

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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.