Home / 55,750.82-76,938.45-31,877.48

Finding the Fourth Proportional to 55,750.82, 76,938.45 and 31,877.48

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Solution

The fourth proportional to 55,750.82, 76,938.45 and 31,877.48 is: 43,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.82 : 76,938.45 = 31,877.48 : x
  2. Step 2: Convert to fraction form
    55,750.82/76,938.45 = 31,877.48/x
  3. Step 3: Cross multiply
    55,750.82x = 76,938.45 × 31,877.48
  4. Step 4: Simplify right side
    55,750.82x = 2,452,603,516.41
  5. Step 5: Solve for x
    x = 2,452,603,516.41/55,750.82
  6. Step 6: Final answer
    x = 43,992.25

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1.5x scale

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.