Home / 52,909.94-73,010.40-31,688.66

Finding the Fourth Proportional to 52,909.94, 73,010.40 and 31,688.66

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Solution

The fourth proportional to 52,909.94, 73,010.40 and 31,688.66 is: 43,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,909.94 : 73,010.40 = 31,688.66 : x
  2. Step 2: Convert to fraction form
    52,909.94/73,010.40 = 31,688.66/x
  3. Step 3: Cross multiply
    52,909.94x = 73,010.40 × 31,688.66
  4. Step 4: Simplify right side
    52,909.94x = 2,313,601,742.06
  5. Step 5: Solve for x
    x = 2,313,601,742.06/52,909.94
  6. Step 6: Final answer
    x = 43,727.17

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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.