Home / 57,155.20-85,746.30-23,856.76

Finding the Fourth Proportional to 57,155.20, 85,746.30 and 23,856.76

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Solution

The fourth proportional to 57,155.20, 85,746.30 and 23,856.76 is: 35,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,155.20 : 85,746.30 = 23,856.76 : x
  2. Step 2: Convert to fraction form
    57,155.20/85,746.30 = 23,856.76/x
  3. Step 3: Cross multiply
    57,155.20x = 85,746.30 × 23,856.76
  4. Step 4: Simplify right side
    57,155.20x = 2,045,628,899.99
  5. Step 5: Solve for x
    x = 2,045,628,899.99/57,155.20
  6. Step 6: Final answer
    x = 35,790.77

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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.