Home / 65,169.50-89,935.29-36,875.18

Finding the Fourth Proportional to 65,169.50, 89,935.29 and 36,875.18

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Solution

The fourth proportional to 65,169.50, 89,935.29 and 36,875.18 is: 50,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,169.50 : 89,935.29 = 36,875.18 : x
  2. Step 2: Convert to fraction form
    65,169.50/89,935.29 = 36,875.18/x
  3. Step 3: Cross multiply
    65,169.50x = 89,935.29 × 36,875.18
  4. Step 4: Simplify right side
    65,169.50x = 3,316,380,231.94
  5. Step 5: Solve for x
    x = 3,316,380,231.94/65,169.50
  6. Step 6: Final answer
    x = 50,888.54

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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.