Home / 55,743.08-76,903.55-31,856.94

Finding the Fourth Proportional to 55,743.08, 76,903.55 and 31,856.94

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Solution

The fourth proportional to 55,743.08, 76,903.55 and 31,856.94 is: 43,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.08 : 76,903.55 = 31,856.94 : x
  2. Step 2: Convert to fraction form
    55,743.08/76,903.55 = 31,856.94/x
  3. Step 3: Cross multiply
    55,743.08x = 76,903.55 × 31,856.94
  4. Step 4: Simplify right side
    55,743.08x = 2,449,911,618.85
  5. Step 5: Solve for x
    x = 2,449,911,618.85/55,743.08
  6. Step 6: Final answer
    x = 43,950.06

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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.