Home / 84,009.61-115,923.25-47,710.82

Finding the Fourth Proportional to 84,009.61, 115,923.25 and 47,710.82

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Solution

The fourth proportional to 84,009.61, 115,923.25 and 47,710.82 is: 65,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.61 : 115,923.25 = 47,710.82 : x
  2. Step 2: Convert to fraction form
    84,009.61/115,923.25 = 47,710.82/x
  3. Step 3: Cross multiply
    84,009.61x = 115,923.25 × 47,710.82
  4. Step 4: Simplify right side
    84,009.61x = 5,530,793,664.01
  5. Step 5: Solve for x
    x = 5,530,793,664.01/84,009.61
  6. Step 6: Final answer
    x = 65,835.25

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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.