Home / 88,507.96-122,140.31-48,221.60

Finding the Fourth Proportional to 88,507.96, 122,140.31 and 48,221.60

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Solution

The fourth proportional to 88,507.96, 122,140.31 and 48,221.60 is: 66,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,507.96 : 122,140.31 = 48,221.60 : x
  2. Step 2: Convert to fraction form
    88,507.96/122,140.31 = 48,221.60/x
  3. Step 3: Cross multiply
    88,507.96x = 122,140.31 × 48,221.60
  4. Step 4: Simplify right side
    88,507.96x = 5,889,800,320.89
  5. Step 5: Solve for x
    x = 5,889,800,320.89/88,507.96
  6. Step 6: Final answer
    x = 66,545.43

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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.