Home / 55,335.35-76,366.40-31,464.25

Finding the Fourth Proportional to 55,335.35, 76,366.40 and 31,464.25

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Solution

The fourth proportional to 55,335.35, 76,366.40 and 31,464.25 is: 43,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.35 : 76,366.40 = 31,464.25 : x
  2. Step 2: Convert to fraction form
    55,335.35/76,366.40 = 31,464.25/x
  3. Step 3: Cross multiply
    55,335.35x = 76,366.40 × 31,464.25
  4. Step 4: Simplify right side
    55,335.35x = 2,402,811,152.96
  5. Step 5: Solve for x
    x = 2,402,811,152.96/55,335.35
  6. Step 6: Final answer
    x = 43,422.71

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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.