Home / 122,979.70-184,555.95-52,909.30

Finding the Fourth Proportional to 122,979.70, 184,555.95 and 52,909.30

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Solution

The fourth proportional to 122,979.70, 184,555.95 and 52,909.30 is: 79,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,979.70 : 184,555.95 = 52,909.30 : x
  2. Step 2: Convert to fraction form
    122,979.70/184,555.95 = 52,909.30/x
  3. Step 3: Cross multiply
    122,979.70x = 184,555.95 × 52,909.30
  4. Step 4: Simplify right side
    122,979.70x = 9,764,726,125.34
  5. Step 5: Solve for x
    x = 9,764,726,125.34/122,979.70
  6. Step 6: Final answer
    x = 79,401.12

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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.