Home / 88,338.77-121,909.52-48,054.70

Finding the Fourth Proportional to 88,338.77, 121,909.52 and 48,054.70

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Solution

The fourth proportional to 88,338.77, 121,909.52 and 48,054.70 is: 66,316.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,338.77 : 121,909.52 = 48,054.70 : x
  2. Step 2: Convert to fraction form
    88,338.77/121,909.52 = 48,054.70/x
  3. Step 3: Cross multiply
    88,338.77x = 121,909.52 × 48,054.70
  4. Step 4: Simplify right side
    88,338.77x = 5,858,325,683.27
  5. Step 5: Solve for x
    x = 5,858,325,683.27/88,338.77
  6. Step 6: Final answer
    x = 66,316.59

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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.