Home / 85,583.04-118,103.90-47,857.29

Finding the Fourth Proportional to 85,583.04, 118,103.90 and 47,857.29

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Solution

The fourth proportional to 85,583.04, 118,103.90 and 47,857.29 is: 66,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,583.04 : 118,103.90 = 47,857.29 : x
  2. Step 2: Convert to fraction form
    85,583.04/118,103.90 = 47,857.29/x
  3. Step 3: Cross multiply
    85,583.04x = 118,103.90 × 47,857.29
  4. Step 4: Simplify right side
    85,583.04x = 5,652,132,592.43
  5. Step 5: Solve for x
    x = 5,652,132,592.43/85,583.04
  6. Step 6: Final answer
    x = 66,042.67

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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.