Home / 82,195.13-113,428.32-48,196.60

Finding the Fourth Proportional to 82,195.13, 113,428.32 and 48,196.60

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Solution

The fourth proportional to 82,195.13, 113,428.32 and 48,196.60 is: 66,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,195.13 : 113,428.32 = 48,196.60 : x
  2. Step 2: Convert to fraction form
    82,195.13/113,428.32 = 48,196.60/x
  3. Step 3: Cross multiply
    82,195.13x = 113,428.32 × 48,196.60
  4. Step 4: Simplify right side
    82,195.13x = 5,466,859,367.71
  5. Step 5: Solve for x
    x = 5,466,859,367.71/82,195.13
  6. Step 6: Final answer
    x = 66,510.75

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1.5x scale

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.