Home / 66,854.10-92,255.36-40,011.32

Finding the Fourth Proportional to 66,854.10, 92,255.36 and 40,011.32

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Solution

The fourth proportional to 66,854.10, 92,255.36 and 40,011.32 is: 55,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,854.10 : 92,255.36 = 40,011.32 : x
  2. Step 2: Convert to fraction form
    66,854.10/92,255.36 = 40,011.32/x
  3. Step 3: Cross multiply
    66,854.10x = 92,255.36 × 40,011.32
  4. Step 4: Simplify right side
    66,854.10x = 3,691,258,730.68
  5. Step 5: Solve for x
    x = 3,691,258,730.68/66,854.10
  6. Step 6: Final answer
    x = 55,213.65

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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.