Home / 88,420.20-132,631.68-49,226.42

Finding the Fourth Proportional to 88,420.20, 132,631.68 and 49,226.42

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Solution

The fourth proportional to 88,420.20, 132,631.68 and 49,226.42 is: 73,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,420.20 : 132,631.68 = 49,226.42 : x
  2. Step 2: Convert to fraction form
    88,420.20/132,631.68 = 49,226.42/x
  3. Step 3: Cross multiply
    88,420.20x = 132,631.68 × 49,226.42
  4. Step 4: Simplify right side
    88,420.20x = 6,528,982,784.99
  5. Step 5: Solve for x
    x = 6,528,982,784.99/88,420.20
  6. Step 6: Final answer
    x = 73,840.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.