Home / 85,564.62-118,083.06-47,838.90

Finding the Fourth Proportional to 85,564.62, 118,083.06 and 47,838.90

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Solution

The fourth proportional to 85,564.62, 118,083.06 and 47,838.90 is: 66,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,564.62 : 118,083.06 = 47,838.90 : x
  2. Step 2: Convert to fraction form
    85,564.62/118,083.06 = 47,838.90/x
  3. Step 3: Cross multiply
    85,564.62x = 118,083.06 × 47,838.90
  4. Step 4: Simplify right side
    85,564.62x = 5,648,963,699.03
  5. Step 5: Solve for x
    x = 5,648,963,699.03/85,564.62
  6. Step 6: Final answer
    x = 66,019.85

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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.