Home / 65,003.67-89,705.07-36,711.18

Finding the Fourth Proportional to 65,003.67, 89,705.07 and 36,711.18

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Solution

The fourth proportional to 65,003.67, 89,705.07 and 36,711.18 is: 50,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,003.67 : 89,705.07 = 36,711.18 : x
  2. Step 2: Convert to fraction form
    65,003.67/89,705.07 = 36,711.18/x
  3. Step 3: Cross multiply
    65,003.67x = 89,705.07 × 36,711.18
  4. Step 4: Simplify right side
    65,003.67x = 3,293,178,971.68
  5. Step 5: Solve for x
    x = 3,293,178,971.68/65,003.67
  6. Step 6: Final answer
    x = 50,661.43

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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.