Home / 81,842.04-112,925.06-47,843.96

Finding the Fourth Proportional to 81,842.04, 112,925.06 and 47,843.96

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Solution

The fourth proportional to 81,842.04, 112,925.06 and 47,843.96 is: 66,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,842.04 : 112,925.06 = 47,843.96 : x
  2. Step 2: Convert to fraction form
    81,842.04/112,925.06 = 47,843.96/x
  3. Step 3: Cross multiply
    81,842.04x = 112,925.06 × 47,843.96
  4. Step 4: Simplify right side
    81,842.04x = 5,402,782,053.64
  5. Step 5: Solve for x
    x = 5,402,782,053.64/81,842.04
  6. Step 6: Final answer
    x = 66,014.75

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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.