Home / 60,985.85-84,161.61-34,131.31

Finding the Fourth Proportional to 60,985.85, 84,161.61 and 34,131.31

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Solution

The fourth proportional to 60,985.85, 84,161.61 and 34,131.31 is: 47,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,985.85 : 84,161.61 = 34,131.31 : x
  2. Step 2: Convert to fraction form
    60,985.85/84,161.61 = 34,131.31/x
  3. Step 3: Cross multiply
    60,985.85x = 84,161.61 × 34,131.31
  4. Step 4: Simplify right side
    60,985.85x = 2,872,545,790.61
  5. Step 5: Solve for x
    x = 2,872,545,790.61/60,985.85
  6. Step 6: Final answer
    x = 47,101.84

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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.