Home / 90,915.58-136,231.93-34,725.02

Finding the Fourth Proportional to 90,915.58, 136,231.93 and 34,725.02

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Solution

The fourth proportional to 90,915.58, 136,231.93 and 34,725.02 is: 52,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,915.58 : 136,231.93 = 34,725.02 : x
  2. Step 2: Convert to fraction form
    90,915.58/136,231.93 = 34,725.02/x
  3. Step 3: Cross multiply
    90,915.58x = 136,231.93 × 34,725.02
  4. Step 4: Simplify right side
    90,915.58x = 4,730,656,934.22
  5. Step 5: Solve for x
    x = 4,730,656,934.22/90,915.58
  6. Step 6: Final answer
    x = 52,033.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.