Home / 118,082.93-162,948.31-67,088.60

Finding the Fourth Proportional to 118,082.93, 162,948.31 and 67,088.60

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Solution

The fourth proportional to 118,082.93, 162,948.31 and 67,088.60 is: 92,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,082.93 : 162,948.31 = 67,088.60 : x
  2. Step 2: Convert to fraction form
    118,082.93/162,948.31 = 67,088.60/x
  3. Step 3: Cross multiply
    118,082.93x = 162,948.31 × 67,088.60
  4. Step 4: Simplify right side
    118,082.93x = 10,931,974,535.44
  5. Step 5: Solve for x
    x = 10,931,974,535.44/118,082.93
  6. Step 6: Final answer
    x = 92,578.79

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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.