Home / 55,899.99-77,141.61-31,705.56

Finding the Fourth Proportional to 55,899.99, 77,141.61 and 31,705.56

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Solution

The fourth proportional to 55,899.99, 77,141.61 and 31,705.56 is: 43,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,899.99 : 77,141.61 = 31,705.56 : x
  2. Step 2: Convert to fraction form
    55,899.99/77,141.61 = 31,705.56/x
  3. Step 3: Cross multiply
    55,899.99x = 77,141.61 × 31,705.56
  4. Step 4: Simplify right side
    55,899.99x = 2,445,817,944.35
  5. Step 5: Solve for x
    x = 2,445,817,944.35/55,899.99
  6. Step 6: Final answer
    x = 43,753.46

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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.