Home / 65,050.97-89,769.16-36,756.05

Finding the Fourth Proportional to 65,050.97, 89,769.16 and 36,756.05

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Solution

The fourth proportional to 65,050.97, 89,769.16 and 36,756.05 is: 50,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,050.97 : 89,769.16 = 36,756.05 : x
  2. Step 2: Convert to fraction form
    65,050.97/89,769.16 = 36,756.05/x
  3. Step 3: Cross multiply
    65,050.97x = 89,769.16 × 36,756.05
  4. Step 4: Simplify right side
    65,050.97x = 3,299,559,733.42
  5. Step 5: Solve for x
    x = 3,299,559,733.42/65,050.97
  6. Step 6: Final answer
    x = 50,722.68

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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.