Home / 90,052.56-124,242.66-54,228.96

Finding the Fourth Proportional to 90,052.56, 124,242.66 and 54,228.96

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Solution

The fourth proportional to 90,052.56, 124,242.66 and 54,228.96 is: 74,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.56 : 124,242.66 = 54,228.96 : x
  2. Step 2: Convert to fraction form
    90,052.56/124,242.66 = 54,228.96/x
  3. Step 3: Cross multiply
    90,052.56x = 124,242.66 × 54,228.96
  4. Step 4: Simplify right side
    90,052.56x = 6,737,550,239.43
  5. Step 5: Solve for x
    x = 6,737,550,239.43/90,052.56
  6. Step 6: Final answer
    x = 74,817.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.