Home / 83,386.68-115,071.39-47,576.04

Finding the Fourth Proportional to 83,386.68, 115,071.39 and 47,576.04

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Solution

The fourth proportional to 83,386.68, 115,071.39 and 47,576.04 is: 65,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,386.68 : 115,071.39 = 47,576.04 : x
  2. Step 2: Convert to fraction form
    83,386.68/115,071.39 = 47,576.04/x
  3. Step 3: Cross multiply
    83,386.68x = 115,071.39 × 47,576.04
  4. Step 4: Simplify right side
    83,386.68x = 5,474,641,053.50
  5. Step 5: Solve for x
    x = 5,474,641,053.50/83,386.68
  6. Step 6: Final answer
    x = 65,653.66

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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.