Home / 65,118.15-97,612.58-36,979.97

Finding the Fourth Proportional to 65,118.15, 97,612.58 and 36,979.97

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Solution

The fourth proportional to 65,118.15, 97,612.58 and 36,979.97 is: 55,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,118.15 : 97,612.58 = 36,979.97 : x
  2. Step 2: Convert to fraction form
    65,118.15/97,612.58 = 36,979.97/x
  3. Step 3: Cross multiply
    65,118.15x = 97,612.58 × 36,979.97
  4. Step 4: Simplify right side
    65,118.15x = 3,609,709,607.06
  5. Step 5: Solve for x
    x = 3,609,709,607.06/65,118.15
  6. Step 6: Final answer
    x = 55,433.23

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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.