Home / 77,331.24-106,724.62-43,345.48

Finding the Fourth Proportional to 77,331.24, 106,724.62 and 43,345.48

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Solution

The fourth proportional to 77,331.24, 106,724.62 and 43,345.48 is: 59,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,331.24 : 106,724.62 = 43,345.48 : x
  2. Step 2: Convert to fraction form
    77,331.24/106,724.62 = 43,345.48/x
  3. Step 3: Cross multiply
    77,331.24x = 106,724.62 × 43,345.48
  4. Step 4: Simplify right side
    77,331.24x = 4,626,029,881.72
  5. Step 5: Solve for x
    x = 4,626,029,881.72/77,331.24
  6. Step 6: Final answer
    x = 59,820.97

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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.