Home / 53,938.86-80,895.32-27,630.06

Finding the Fourth Proportional to 53,938.86, 80,895.32 and 27,630.06

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Solution

The fourth proportional to 53,938.86, 80,895.32 and 27,630.06 is: 41,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,938.86 : 80,895.32 = 27,630.06 : x
  2. Step 2: Convert to fraction form
    53,938.86/80,895.32 = 27,630.06/x
  3. Step 3: Cross multiply
    53,938.86x = 80,895.32 × 27,630.06
  4. Step 4: Simplify right side
    53,938.86x = 2,235,142,545.32
  5. Step 5: Solve for x
    x = 2,235,142,545.32/53,938.86
  6. Step 6: Final answer
    x = 41,438.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.