Home / 45,904.20-68,856.30-45,612.60

Finding the Fourth Proportional to 45,904.20, 68,856.30 and 45,612.60

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Solution

The fourth proportional to 45,904.20, 68,856.30 and 45,612.60 is: 68,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,904.20 : 68,856.30 = 45,612.60 : x
  2. Step 2: Convert to fraction form
    45,904.20/68,856.30 = 45,612.60/x
  3. Step 3: Cross multiply
    45,904.20x = 68,856.30 × 45,612.60
  4. Step 4: Simplify right side
    45,904.20x = 3,140,714,869.38
  5. Step 5: Solve for x
    x = 3,140,714,869.38/45,904.20
  6. Step 6: Final answer
    x = 68,418.90

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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.