Home / 99,285.54-148,939.18-43,087.02

Finding the Fourth Proportional to 99,285.54, 148,939.18 and 43,087.02

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Solution

The fourth proportional to 99,285.54, 148,939.18 and 43,087.02 is: 64,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,285.54 : 148,939.18 = 43,087.02 : x
  2. Step 2: Convert to fraction form
    99,285.54/148,939.18 = 43,087.02/x
  3. Step 3: Cross multiply
    99,285.54x = 148,939.18 × 43,087.02
  4. Step 4: Simplify right side
    99,285.54x = 6,417,345,427.44
  5. Step 5: Solve for x
    x = 6,417,345,427.44/99,285.54
  6. Step 6: Final answer
    x = 64,635.25

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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.