Home / 67,161.96-92,686.62-38,862.16

Finding the Fourth Proportional to 67,161.96, 92,686.62 and 38,862.16

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Solution

The fourth proportional to 67,161.96, 92,686.62 and 38,862.16 is: 53,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.96 : 92,686.62 = 38,862.16 : x
  2. Step 2: Convert to fraction form
    67,161.96/92,686.62 = 38,862.16/x
  3. Step 3: Cross multiply
    67,161.96x = 92,686.62 × 38,862.16
  4. Step 4: Simplify right side
    67,161.96x = 3,602,002,256.30
  5. Step 5: Solve for x
    x = 3,602,002,256.30/67,161.96
  6. Step 6: Final answer
    x = 53,631.58

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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.