Home / 117,946.28-162,766.91-64,231.53

Finding the Fourth Proportional to 117,946.28, 162,766.91 and 64,231.53

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Solution

The fourth proportional to 117,946.28, 162,766.91 and 64,231.53 is: 88,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,946.28 : 162,766.91 = 64,231.53 : x
  2. Step 2: Convert to fraction form
    117,946.28/162,766.91 = 64,231.53/x
  3. Step 3: Cross multiply
    117,946.28x = 162,766.91 × 64,231.53
  4. Step 4: Simplify right side
    117,946.28x = 10,454,767,823.25
  5. Step 5: Solve for x
    x = 10,454,767,823.25/117,946.28
  6. Step 6: Final answer
    x = 88,640.08

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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.