Home / 91,562.62-137,383.40-49,434.34

Finding the Fourth Proportional to 91,562.62, 137,383.40 and 49,434.34

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Solution

The fourth proportional to 91,562.62, 137,383.40 and 49,434.34 is: 74,172.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562.62 : 137,383.40 = 49,434.34 : x
  2. Step 2: Convert to fraction form
    91,562.62/137,383.40 = 49,434.34/x
  3. Step 3: Cross multiply
    91,562.62x = 137,383.40 × 49,434.34
  4. Step 4: Simplify right side
    91,562.62x = 6,791,457,705.96
  5. Step 5: Solve for x
    x = 6,791,457,705.96/91,562.62
  6. Step 6: Final answer
    x = 74,172.82

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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.