Home / 71,155.71-98,206.83-48,175.11

Finding the Fourth Proportional to 71,155.71, 98,206.83 and 48,175.11

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Solution

The fourth proportional to 71,155.71, 98,206.83 and 48,175.11 is: 66,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,155.71 : 98,206.83 = 48,175.11 : x
  2. Step 2: Convert to fraction form
    71,155.71/98,206.83 = 48,175.11/x
  3. Step 3: Cross multiply
    71,155.71x = 98,206.83 × 48,175.11
  4. Step 4: Simplify right side
    71,155.71x = 4,731,124,838.00
  5. Step 5: Solve for x
    x = 4,731,124,838.00/71,155.71
  6. Step 6: Final answer
    x = 66,489.74

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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.