Home / 88,742.39-122,459.72-48,455.55

Finding the Fourth Proportional to 88,742.39, 122,459.72 and 48,455.55

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Solution

The fourth proportional to 88,742.39, 122,459.72 and 48,455.55 is: 66,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,742.39 : 122,459.72 = 48,455.55 : x
  2. Step 2: Convert to fraction form
    88,742.39/122,459.72 = 48,455.55/x
  3. Step 3: Cross multiply
    88,742.39x = 122,459.72 × 48,455.55
  4. Step 4: Simplify right side
    88,742.39x = 5,933,852,843.17
  5. Step 5: Solve for x
    x = 5,933,852,843.17/88,742.39
  6. Step 6: Final answer
    x = 66,866.05

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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.