Home / 55,815.93-77,027.37-31,950.30

Finding the Fourth Proportional to 55,815.93, 77,027.37 and 31,950.30

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Solution

The fourth proportional to 55,815.93, 77,027.37 and 31,950.30 is: 44,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.93 : 77,027.37 = 31,950.30 : x
  2. Step 2: Convert to fraction form
    55,815.93/77,027.37 = 31,950.30/x
  3. Step 3: Cross multiply
    55,815.93x = 77,027.37 × 31,950.30
  4. Step 4: Simplify right side
    55,815.93x = 2,461,047,579.71
  5. Step 5: Solve for x
    x = 2,461,047,579.71/55,815.93
  6. Step 6: Final answer
    x = 44,092.21

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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.