Home / 85,541.30-118,042.26-47,298.62

Finding the Fourth Proportional to 85,541.30, 118,042.26 and 47,298.62

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Solution

The fourth proportional to 85,541.30, 118,042.26 and 47,298.62 is: 65,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,541.30 : 118,042.26 = 47,298.62 : x
  2. Step 2: Convert to fraction form
    85,541.30/118,042.26 = 47,298.62/x
  3. Step 3: Cross multiply
    85,541.30x = 118,042.26 × 47,298.62
  4. Step 4: Simplify right side
    85,541.30x = 5,583,235,999.68
  5. Step 5: Solve for x
    x = 5,583,235,999.68/85,541.30
  6. Step 6: Final answer
    x = 65,269.48

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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.