Home / 61,919.04-92,885.28-20,365.92

Finding the Fourth Proportional to 61,919.04, 92,885.28 and 20,365.92

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Solution

The fourth proportional to 61,919.04, 92,885.28 and 20,365.92 is: 30,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,919.04 : 92,885.28 = 20,365.92 : x
  2. Step 2: Convert to fraction form
    61,919.04/92,885.28 = 20,365.92/x
  3. Step 3: Cross multiply
    61,919.04x = 92,885.28 × 20,365.92
  4. Step 4: Simplify right side
    61,919.04x = 1,891,694,181.66
  5. Step 5: Solve for x
    x = 1,891,694,181.66/61,919.04
  6. Step 6: Final answer
    x = 30,551.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.