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Finding the Fourth Proportional to 55,312.56, 82,968.64 and 44,166.96

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Solution

The fourth proportional to 55,312.56, 82,968.64 and 44,166.96 is: 66,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.56 : 82,968.64 = 44,166.96 : x
  2. Step 2: Convert to fraction form
    55,312.56/82,968.64 = 44,166.96/x
  3. Step 3: Cross multiply
    55,312.56x = 82,968.64 × 44,166.96
  4. Step 4: Simplify right side
    55,312.56x = 3,664,472,604.13
  5. Step 5: Solve for x
    x = 3,664,472,604.13/55,312.56
  6. Step 6: Final answer
    x = 66,250.28

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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.