Home / 84,308.73-116,400.29-54,107.07

Finding the Fourth Proportional to 84,308.73, 116,400.29 and 54,107.07

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Solution

The fourth proportional to 84,308.73, 116,400.29 and 54,107.07 is: 74,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,308.73 : 116,400.29 = 54,107.07 : x
  2. Step 2: Convert to fraction form
    84,308.73/116,400.29 = 54,107.07/x
  3. Step 3: Cross multiply
    84,308.73x = 116,400.29 × 54,107.07
  4. Step 4: Simplify right side
    84,308.73x = 6,298,078,368.51
  5. Step 5: Solve for x
    x = 6,298,078,368.51/84,308.73
  6. Step 6: Final answer
    x = 74,702.56

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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.