Home / 91,162.53-136,794.83-38,611.35

Finding the Fourth Proportional to 91,162.53, 136,794.83 and 38,611.35

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Solution

The fourth proportional to 91,162.53, 136,794.83 and 38,611.35 is: 57,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,162.53 : 136,794.83 = 38,611.35 : x
  2. Step 2: Convert to fraction form
    91,162.53/136,794.83 = 38,611.35/x
  3. Step 3: Cross multiply
    91,162.53x = 136,794.83 × 38,611.35
  4. Step 4: Simplify right side
    91,162.53x = 5,281,832,866.26
  5. Step 5: Solve for x
    x = 5,281,832,866.26/91,162.53
  6. Step 6: Final answer
    x = 57,938.64

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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.