Home / 77,003.50-106,261.66-43,011.83

Finding the Fourth Proportional to 77,003.50, 106,261.66 and 43,011.83

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Solution

The fourth proportional to 77,003.50, 106,261.66 and 43,011.83 is: 59,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,003.50 : 106,261.66 = 43,011.83 : x
  2. Step 2: Convert to fraction form
    77,003.50/106,261.66 = 43,011.83/x
  3. Step 3: Cross multiply
    77,003.50x = 106,261.66 × 43,011.83
  4. Step 4: Simplify right side
    77,003.50x = 4,570,508,430.14
  5. Step 5: Solve for x
    x = 4,570,508,430.14/77,003.50
  6. Step 6: Final answer
    x = 59,354.55

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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.