Home / 88,284.12-121,834.49-48,000.60

Finding the Fourth Proportional to 88,284.12, 121,834.49 and 48,000.60

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Solution

The fourth proportional to 88,284.12, 121,834.49 and 48,000.60 is: 66,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,284.12 : 121,834.49 = 48,000.60 : x
  2. Step 2: Convert to fraction form
    88,284.12/121,834.49 = 48,000.60/x
  3. Step 3: Cross multiply
    88,284.12x = 121,834.49 × 48,000.60
  4. Step 4: Simplify right side
    88,284.12x = 5,848,128,380.69
  5. Step 5: Solve for x
    x = 5,848,128,380.69/88,284.12
  6. Step 6: Final answer
    x = 66,242.13

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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.