Home / 77,183.40-106,508.34-43,186.08

Finding the Fourth Proportional to 77,183.40, 106,508.34 and 43,186.08

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Solution

The fourth proportional to 77,183.40, 106,508.34 and 43,186.08 is: 59,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,183.40 : 106,508.34 = 43,186.08 : x
  2. Step 2: Convert to fraction form
    77,183.40/106,508.34 = 43,186.08/x
  3. Step 3: Cross multiply
    77,183.40x = 106,508.34 × 43,186.08
  4. Step 4: Simplify right side
    77,183.40x = 4,599,677,691.91
  5. Step 5: Solve for x
    x = 4,599,677,691.91/77,183.40
  6. Step 6: Final answer
    x = 59,594.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.