Home / 84,752.16-116,979.48-57,905.52

Finding the Fourth Proportional to 84,752.16, 116,979.48 and 57,905.52

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Solution

The fourth proportional to 84,752.16, 116,979.48 and 57,905.52 is: 79,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,752.16 : 116,979.48 = 57,905.52 : x
  2. Step 2: Convert to fraction form
    84,752.16/116,979.48 = 57,905.52/x
  3. Step 3: Cross multiply
    84,752.16x = 116,979.48 × 57,905.52
  4. Step 4: Simplify right side
    84,752.16x = 6,773,757,618.73
  5. Step 5: Solve for x
    x = 6,773,757,618.73/84,752.16
  6. Step 6: Final answer
    x = 79,924.31

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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.