Home / 65,713.40-98,570.10-50,161.40

Finding the Fourth Proportional to 65,713.40, 98,570.10 and 50,161.40

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Solution

The fourth proportional to 65,713.40, 98,570.10 and 50,161.40 is: 75,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,713.40 : 98,570.10 = 50,161.40 : x
  2. Step 2: Convert to fraction form
    65,713.40/98,570.10 = 50,161.40/x
  3. Step 3: Cross multiply
    65,713.40x = 98,570.10 × 50,161.40
  4. Step 4: Simplify right side
    65,713.40x = 4,944,414,214.14
  5. Step 5: Solve for x
    x = 4,944,414,214.14/65,713.40
  6. Step 6: Final answer
    x = 75,242.10

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1.5x scale

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.