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Finding the Fourth Proportional to 84,730.28, 116,927.43 and 47,004.53

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Solution

The fourth proportional to 84,730.28, 116,927.43 and 47,004.53 is: 64,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,730.28 : 116,927.43 = 47,004.53 : x
  2. Step 2: Convert to fraction form
    84,730.28/116,927.43 = 47,004.53/x
  3. Step 3: Cross multiply
    84,730.28x = 116,927.43 × 47,004.53
  4. Step 4: Simplify right side
    84,730.28x = 5,496,118,891.26
  5. Step 5: Solve for x
    x = 5,496,118,891.26/84,730.28
  6. Step 6: Final answer
    x = 64,866.05

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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.