Home / 83,495.96-115,220.28-47,196.60

Finding the Fourth Proportional to 83,495.96, 115,220.28 and 47,196.60

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Solution

The fourth proportional to 83,495.96, 115,220.28 and 47,196.60 is: 65,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,495.96 : 115,220.28 = 47,196.60 : x
  2. Step 2: Convert to fraction form
    83,495.96/115,220.28 = 47,196.60/x
  3. Step 3: Cross multiply
    83,495.96x = 115,220.28 × 47,196.60
  4. Step 4: Simplify right side
    83,495.96x = 5,438,005,467.05
  5. Step 5: Solve for x
    x = 5,438,005,467.05/83,495.96
  6. Step 6: Final answer
    x = 65,128.97

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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.