Home / 88,007.08-121,448.28-49,766.02

Finding the Fourth Proportional to 88,007.08, 121,448.28 and 49,766.02

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Solution

The fourth proportional to 88,007.08, 121,448.28 and 49,766.02 is: 68,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,007.08 : 121,448.28 = 49,766.02 : x
  2. Step 2: Convert to fraction form
    88,007.08/121,448.28 = 49,766.02/x
  3. Step 3: Cross multiply
    88,007.08x = 121,448.28 × 49,766.02
  4. Step 4: Simplify right side
    88,007.08x = 6,043,997,531.45
  5. Step 5: Solve for x
    x = 6,043,997,531.45/88,007.08
  6. Step 6: Final answer
    x = 68,676.26

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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.