Home / 67,119.32-92,488.08-51,919.64

Finding the Fourth Proportional to 67,119.32, 92,488.08 and 51,919.64

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Solution

The fourth proportional to 67,119.32, 92,488.08 and 51,919.64 is: 71,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.32 : 92,488.08 = 51,919.64 : x
  2. Step 2: Convert to fraction form
    67,119.32/92,488.08 = 51,919.64/x
  3. Step 3: Cross multiply
    67,119.32x = 92,488.08 × 51,919.64
  4. Step 4: Simplify right side
    67,119.32x = 4,801,947,817.89
  5. Step 5: Solve for x
    x = 4,801,947,817.89/67,119.32
  6. Step 6: Final answer
    x = 71,543.45

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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.