Home / 65,563.27-90,463.75-38,334.11

Finding the Fourth Proportional to 65,563.27, 90,463.75 and 38,334.11

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Solution

The fourth proportional to 65,563.27, 90,463.75 and 38,334.11 is: 52,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,563.27 : 90,463.75 = 38,334.11 : x
  2. Step 2: Convert to fraction form
    65,563.27/90,463.75 = 38,334.11/x
  3. Step 3: Cross multiply
    65,563.27x = 90,463.75 × 38,334.11
  4. Step 4: Simplify right side
    65,563.27x = 3,467,847,343.51
  5. Step 5: Solve for x
    x = 3,467,847,343.51/65,563.27
  6. Step 6: Final answer
    x = 52,893.14

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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.