Home / 67,255.05-92,842.80-47,886.54

Finding the Fourth Proportional to 67,255.05, 92,842.80 and 47,886.54

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Solution

The fourth proportional to 67,255.05, 92,842.80 and 47,886.54 is: 66,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,255.05 : 92,842.80 = 47,886.54 : x
  2. Step 2: Convert to fraction form
    67,255.05/92,842.80 = 47,886.54/x
  3. Step 3: Cross multiply
    67,255.05x = 92,842.80 × 47,886.54
  4. Step 4: Simplify right side
    67,255.05x = 4,445,920,455.91
  5. Step 5: Solve for x
    x = 4,445,920,455.91/67,255.05
  6. Step 6: Final answer
    x = 66,105.38

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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.