Home / 53,865.77-74,401.43-38,020.96

Finding the Fourth Proportional to 53,865.77, 74,401.43 and 38,020.96

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Solution

The fourth proportional to 53,865.77, 74,401.43 and 38,020.96 is: 52,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.77 : 74,401.43 = 38,020.96 : x
  2. Step 2: Convert to fraction form
    53,865.77/74,401.43 = 38,020.96/x
  3. Step 3: Cross multiply
    53,865.77x = 74,401.43 × 38,020.96
  4. Step 4: Simplify right side
    53,865.77x = 2,828,813,793.97
  5. Step 5: Solve for x
    x = 2,828,813,793.97/53,865.77
  6. Step 6: Final answer
    x = 52,515.98

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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.