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Finding the Fourth Proportional to 50,999.40, 76,424.40 and 45,734.40

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Solution

The fourth proportional to 50,999.40, 76,424.40 and 45,734.40 is: 68,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,999.40 : 76,424.40 = 45,734.40 : x
  2. Step 2: Convert to fraction form
    50,999.40/76,424.40 = 45,734.40/x
  3. Step 3: Cross multiply
    50,999.40x = 76,424.40 × 45,734.40
  4. Step 4: Simplify right side
    50,999.40x = 3,495,224,079.36
  5. Step 5: Solve for x
    x = 3,495,224,079.36/50,999.40
  6. Step 6: Final answer
    x = 68,534.61

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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.