Home / 115,916.60-173,777.70-60,512.60

Finding the Fourth Proportional to 115,916.60, 173,777.70 and 60,512.60

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Solution

The fourth proportional to 115,916.60, 173,777.70 and 60,512.60 is: 90,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916.60 : 173,777.70 = 60,512.60 : x
  2. Step 2: Convert to fraction form
    115,916.60/173,777.70 = 60,512.60/x
  3. Step 3: Cross multiply
    115,916.60x = 173,777.70 × 60,512.60
  4. Step 4: Simplify right side
    115,916.60x = 10,515,740,449.02
  5. Step 5: Solve for x
    x = 10,515,740,449.02/115,916.60
  6. Step 6: Final answer
    x = 90,718.16

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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.