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Finding the Fourth Proportional to 85,558.06, 128,337.90 and 32,959.90

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Solution

The fourth proportional to 85,558.06, 128,337.90 and 32,959.90 is: 49,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,558.06 : 128,337.90 = 32,959.90 : x
  2. Step 2: Convert to fraction form
    85,558.06/128,337.90 = 32,959.90/x
  3. Step 3: Cross multiply
    85,558.06x = 128,337.90 × 32,959.90
  4. Step 4: Simplify right side
    85,558.06x = 4,230,004,350.21
  5. Step 5: Solve for x
    x = 4,230,004,350.21/85,558.06
  6. Step 6: Final answer
    x = 49,440.16

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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.