Home / 88,364.30-121,942.68-48,078.02

Finding the Fourth Proportional to 88,364.30, 121,942.68 and 48,078.02

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Solution

The fourth proportional to 88,364.30, 121,942.68 and 48,078.02 is: 66,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.30 : 121,942.68 = 48,078.02 : x
  2. Step 2: Convert to fraction form
    88,364.30/121,942.68 = 48,078.02/x
  3. Step 3: Cross multiply
    88,364.30x = 121,942.68 × 48,078.02
  4. Step 4: Simplify right side
    88,364.30x = 5,862,762,607.89
  5. Step 5: Solve for x
    x = 5,862,762,607.89/88,364.30
  6. Step 6: Final answer
    x = 66,347.64

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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.