Home / 88,204.60-121,719.54-50,478.04

Finding the Fourth Proportional to 88,204.60, 121,719.54 and 50,478.04

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Solution

The fourth proportional to 88,204.60, 121,719.54 and 50,478.04 is: 69,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,204.60 : 121,719.54 = 50,478.04 : x
  2. Step 2: Convert to fraction form
    88,204.60/121,719.54 = 50,478.04/x
  3. Step 3: Cross multiply
    88,204.60x = 121,719.54 × 50,478.04
  4. Step 4: Simplify right side
    88,204.60x = 6,144,163,808.90
  5. Step 5: Solve for x
    x = 6,144,163,808.90/88,204.60
  6. Step 6: Final answer
    x = 69,658.09

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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.