Home / 80,238.34-110,732.73-48,406.57

Finding the Fourth Proportional to 80,238.34, 110,732.73 and 48,406.57

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Solution

The fourth proportional to 80,238.34, 110,732.73 and 48,406.57 is: 66,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.34 : 110,732.73 = 48,406.57 : x
  2. Step 2: Convert to fraction form
    80,238.34/110,732.73 = 48,406.57/x
  3. Step 3: Cross multiply
    80,238.34x = 110,732.73 × 48,406.57
  4. Step 4: Simplify right side
    80,238.34x = 5,360,191,646.04
  5. Step 5: Solve for x
    x = 5,360,191,646.04/80,238.34
  6. Step 6: Final answer
    x = 66,803.37

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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.