Home / 88,205.40-121,719.96-52,394.46

Finding the Fourth Proportional to 88,205.40, 121,719.96 and 52,394.46

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Solution

The fourth proportional to 88,205.40, 121,719.96 and 52,394.46 is: 72,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,205.40 : 121,719.96 = 52,394.46 : x
  2. Step 2: Convert to fraction form
    88,205.40/121,719.96 = 52,394.46/x
  3. Step 3: Cross multiply
    88,205.40x = 121,719.96 × 52,394.46
  4. Step 4: Simplify right side
    88,205.40x = 6,377,451,575.42
  5. Step 5: Solve for x
    x = 6,377,451,575.42/88,205.40
  6. Step 6: Final answer
    x = 72,302.28

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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.