Home / 77,687.12-116,537.34-33,303.35

Finding the Fourth Proportional to 77,687.12, 116,537.34 and 33,303.35

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Solution

The fourth proportional to 77,687.12, 116,537.34 and 33,303.35 is: 49,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,687.12 : 116,537.34 = 33,303.35 : x
  2. Step 2: Convert to fraction form
    77,687.12/116,537.34 = 33,303.35/x
  3. Step 3: Cross multiply
    77,687.12x = 116,537.34 × 33,303.35
  4. Step 4: Simplify right side
    77,687.12x = 3,881,083,822.09
  5. Step 5: Solve for x
    x = 3,881,083,822.09/77,687.12
  6. Step 6: Final answer
    x = 49,957.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.