Home / 67,147.96-92,680.36-38,484.42

Finding the Fourth Proportional to 67,147.96, 92,680.36 and 38,484.42

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Solution

The fourth proportional to 67,147.96, 92,680.36 and 38,484.42 is: 53,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147.96 : 92,680.36 = 38,484.42 : x
  2. Step 2: Convert to fraction form
    67,147.96/92,680.36 = 38,484.42/x
  3. Step 3: Cross multiply
    67,147.96x = 92,680.36 × 38,484.42
  4. Step 4: Simplify right side
    67,147.96x = 3,566,749,899.99
  5. Step 5: Solve for x
    x = 3,566,749,899.99/67,147.96
  6. Step 6: Final answer
    x = 53,117.77

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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.