Home / 99,285.54-148,928.13-43,118.34

Finding the Fourth Proportional to 99,285.54, 148,928.13 and 43,118.34

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Solution

The fourth proportional to 99,285.54, 148,928.13 and 43,118.34 is: 64,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,285.54 : 148,928.13 = 43,118.34 : x
  2. Step 2: Convert to fraction form
    99,285.54/148,928.13 = 43,118.34/x
  3. Step 3: Cross multiply
    99,285.54x = 148,928.13 × 43,118.34
  4. Step 4: Simplify right side
    99,285.54x = 6,421,533,744.90
  5. Step 5: Solve for x
    x = 6,421,533,744.90/99,285.54
  6. Step 6: Final answer
    x = 64,677.43

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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.