Home / 91,467.06-137,225.22-47,069.61

Finding the Fourth Proportional to 91,467.06, 137,225.22 and 47,069.61

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Solution

The fourth proportional to 91,467.06, 137,225.22 and 47,069.61 is: 70,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,467.06 : 137,225.22 = 47,069.61 : x
  2. Step 2: Convert to fraction form
    91,467.06/137,225.22 = 47,069.61/x
  3. Step 3: Cross multiply
    91,467.06x = 137,225.22 × 47,069.61
  4. Step 4: Simplify right side
    91,467.06x = 6,459,137,587.56
  5. Step 5: Solve for x
    x = 6,459,137,587.56/91,467.06
  6. Step 6: Final answer
    x = 70,617.09

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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.