Home / 84,850.61-117,090.59-47,127.29

Finding the Fourth Proportional to 84,850.61, 117,090.59 and 47,127.29

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Solution

The fourth proportional to 84,850.61, 117,090.59 and 47,127.29 is: 65,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850.61 : 117,090.59 = 47,127.29 : x
  2. Step 2: Convert to fraction form
    84,850.61/117,090.59 = 47,127.29/x
  3. Step 3: Cross multiply
    84,850.61x = 117,090.59 × 47,127.29
  4. Step 4: Simplify right side
    84,850.61x = 5,518,161,370.11
  5. Step 5: Solve for x
    x = 5,518,161,370.11/84,850.61
  6. Step 6: Final answer
    x = 65,033.85

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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.