Home / 99,734.67-137,621.48-60,991.97

Finding the Fourth Proportional to 99,734.67, 137,621.48 and 60,991.97

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Solution

The fourth proportional to 99,734.67, 137,621.48 and 60,991.97 is: 84,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,734.67 : 137,621.48 = 60,991.97 : x
  2. Step 2: Convert to fraction form
    99,734.67/137,621.48 = 60,991.97/x
  3. Step 3: Cross multiply
    99,734.67x = 137,621.48 × 60,991.97
  4. Step 4: Simplify right side
    99,734.67x = 8,393,804,186.45
  5. Step 5: Solve for x
    x = 8,393,804,186.45/99,734.67
  6. Step 6: Final answer
    x = 84,161.35

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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.