Home / 48,905.40-73,358.10-31,992.60

Finding the Fourth Proportional to 48,905.40, 73,358.10 and 31,992.60

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Solution

The fourth proportional to 48,905.40, 73,358.10 and 31,992.60 is: 47,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.40 : 73,358.10 = 31,992.60 : x
  2. Step 2: Convert to fraction form
    48,905.40/73,358.10 = 31,992.60/x
  3. Step 3: Cross multiply
    48,905.40x = 73,358.10 × 31,992.60
  4. Step 4: Simplify right side
    48,905.40x = 2,346,916,350.06
  5. Step 5: Solve for x
    x = 2,346,916,350.06/48,905.40
  6. Step 6: Final answer
    x = 47,988.90

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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.