Home / 92,896.20-139,344.30-57,904.20

Finding the Fourth Proportional to 92,896.20, 139,344.30 and 57,904.20

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Solution

The fourth proportional to 92,896.20, 139,344.30 and 57,904.20 is: 86,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,896.20 : 139,344.30 = 57,904.20 : x
  2. Step 2: Convert to fraction form
    92,896.20/139,344.30 = 57,904.20/x
  3. Step 3: Cross multiply
    92,896.20x = 139,344.30 × 57,904.20
  4. Step 4: Simplify right side
    92,896.20x = 8,068,620,216.06
  5. Step 5: Solve for x
    x = 8,068,620,216.06/92,896.20
  6. Step 6: Final answer
    x = 86,856.30

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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.