Home / 66,853.16-92,242.39-38,163.66

Finding the Fourth Proportional to 66,853.16, 92,242.39 and 38,163.66

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Solution

The fourth proportional to 66,853.16, 92,242.39 and 38,163.66 is: 52,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,853.16 : 92,242.39 = 38,163.66 : x
  2. Step 2: Convert to fraction form
    66,853.16/92,242.39 = 38,163.66/x
  3. Step 3: Cross multiply
    66,853.16x = 92,242.39 × 38,163.66
  4. Step 4: Simplify right side
    66,853.16x = 3,520,307,209.55
  5. Step 5: Solve for x
    x = 3,520,307,209.55/66,853.16
  6. Step 6: Final answer
    x = 52,657.30

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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.