Home / 88,342.38-121,909.32-48,054.60

Finding the Fourth Proportional to 88,342.38, 121,909.32 and 48,054.60

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Solution

The fourth proportional to 88,342.38, 121,909.32 and 48,054.60 is: 66,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,342.38 : 121,909.32 = 48,054.60 : x
  2. Step 2: Convert to fraction form
    88,342.38/121,909.32 = 48,054.60/x
  3. Step 3: Cross multiply
    88,342.38x = 121,909.32 × 48,054.60
  4. Step 4: Simplify right side
    88,342.38x = 5,858,303,608.87
  5. Step 5: Solve for x
    x = 5,858,303,608.87/88,342.38
  6. Step 6: Final answer
    x = 66,313.63

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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.