Home / 85,595.29-118,120.81-47,869.54

Finding the Fourth Proportional to 85,595.29, 118,120.81 and 47,869.54

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Solution

The fourth proportional to 85,595.29, 118,120.81 and 47,869.54 is: 66,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,595.29 : 118,120.81 = 47,869.54 : x
  2. Step 2: Convert to fraction form
    85,595.29/118,120.81 = 47,869.54/x
  3. Step 3: Cross multiply
    85,595.29x = 118,120.81 × 47,869.54
  4. Step 4: Simplify right side
    85,595.29x = 5,654,388,839.13
  5. Step 5: Solve for x
    x = 5,654,388,839.13/85,595.29
  6. Step 6: Final answer
    x = 66,059.58

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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.