Home / 86,446.47-119,292.45-63,777.31

Finding the Fourth Proportional to 86,446.47, 119,292.45 and 63,777.31

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Solution

The fourth proportional to 86,446.47, 119,292.45 and 63,777.31 is: 88,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,446.47 : 119,292.45 = 63,777.31 : x
  2. Step 2: Convert to fraction form
    86,446.47/119,292.45 = 63,777.31/x
  3. Step 3: Cross multiply
    86,446.47x = 119,292.45 × 63,777.31
  4. Step 4: Simplify right side
    86,446.47x = 7,608,151,026.91
  5. Step 5: Solve for x
    x = 7,608,151,026.91/86,446.47
  6. Step 6: Final answer
    x = 88,009.96

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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.