Home / 75,771.19-104,510.17-64,361.53

Finding the Fourth Proportional to 75,771.19, 104,510.17 and 64,361.53

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Solution

The fourth proportional to 75,771.19, 104,510.17 and 64,361.53 is: 88,772.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,771.19 : 104,510.17 = 64,361.53 : x
  2. Step 2: Convert to fraction form
    75,771.19/104,510.17 = 64,361.53/x
  3. Step 3: Cross multiply
    75,771.19x = 104,510.17 × 64,361.53
  4. Step 4: Simplify right side
    75,771.19x = 6,726,434,019.58
  5. Step 5: Solve for x
    x = 6,726,434,019.58/75,771.19
  6. Step 6: Final answer
    x = 88,772.98

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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.