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Finding the Fourth Proportional to 84,735.78, 116,935.52 and 47,010.03

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Solution

The fourth proportional to 84,735.78, 116,935.52 and 47,010.03 is: 64,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.78 : 116,935.52 = 47,010.03 : x
  2. Step 2: Convert to fraction form
    84,735.78/116,935.52 = 47,010.03/x
  3. Step 3: Cross multiply
    84,735.78x = 116,935.52 × 47,010.03
  4. Step 4: Simplify right side
    84,735.78x = 5,497,142,068.22
  5. Step 5: Solve for x
    x = 5,497,142,068.22/84,735.78
  6. Step 6: Final answer
    x = 64,873.92

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1.5x scale

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.