Home / 48,864.40-73,458.60-42,449.20

Finding the Fourth Proportional to 48,864.40, 73,458.60 and 42,449.20

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Solution

The fourth proportional to 48,864.40, 73,458.60 and 42,449.20 is: 63,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,864.40 : 73,458.60 = 42,449.20 : x
  2. Step 2: Convert to fraction form
    48,864.40/73,458.60 = 42,449.20/x
  3. Step 3: Cross multiply
    48,864.40x = 73,458.60 × 42,449.20
  4. Step 4: Simplify right side
    48,864.40x = 3,118,258,803.12
  5. Step 5: Solve for x
    x = 3,118,258,803.12/48,864.40
  6. Step 6: Final answer
    x = 63,814.53

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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.