Home / 86,036.73-118,773.85-53,789.26

Finding the Fourth Proportional to 86,036.73, 118,773.85 and 53,789.26

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Solution

The fourth proportional to 86,036.73, 118,773.85 and 53,789.26 is: 74,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,036.73 : 118,773.85 = 53,789.26 : x
  2. Step 2: Convert to fraction form
    86,036.73/118,773.85 = 53,789.26/x
  3. Step 3: Cross multiply
    86,036.73x = 118,773.85 × 53,789.26
  4. Step 4: Simplify right side
    86,036.73x = 6,388,757,498.85
  5. Step 5: Solve for x
    x = 6,388,757,498.85/86,036.73
  6. Step 6: Final answer
    x = 74,256.17

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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.