Home / 66,851.16-92,239.63-38,161.66

Finding the Fourth Proportional to 66,851.16, 92,239.63 and 38,161.66

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Solution

The fourth proportional to 66,851.16, 92,239.63 and 38,161.66 is: 52,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.16 : 92,239.63 = 38,161.66 : x
  2. Step 2: Convert to fraction form
    66,851.16/92,239.63 = 38,161.66/x
  3. Step 3: Cross multiply
    66,851.16x = 92,239.63 × 38,161.66
  4. Step 4: Simplify right side
    66,851.16x = 3,520,017,398.59
  5. Step 5: Solve for x
    x = 3,520,017,398.59/66,851.16
  6. Step 6: Final answer
    x = 52,654.54

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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.