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Finding the Fourth Proportional to 98,883.17, 136,472 and 55,871.56

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Solution

The fourth proportional to 98,883.17, 136,472 and 55,871.56 is: 77,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,883.17 : 136,472 = 55,871.56 : x
  2. Step 2: Convert to fraction form
    98,883.17/136,472 = 55,871.56/x
  3. Step 3: Cross multiply
    98,883.17x = 136,472 × 55,871.56
  4. Step 4: Simplify right side
    98,883.17x = 7,624,903,536.32
  5. Step 5: Solve for x
    x = 7,624,903,536.32/98,883.17
  6. Step 6: Final answer
    x = 77,110.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.