Home / 96,439.31-133,102.02-57,674.60

Finding the Fourth Proportional to 96,439.31, 133,102.02 and 57,674.60

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Solution

The fourth proportional to 96,439.31, 133,102.02 and 57,674.60 is: 79,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,439.31 : 133,102.02 = 57,674.60 : x
  2. Step 2: Convert to fraction form
    96,439.31/133,102.02 = 57,674.60/x
  3. Step 3: Cross multiply
    96,439.31x = 133,102.02 × 57,674.60
  4. Step 4: Simplify right side
    96,439.31x = 7,676,605,474.32
  5. Step 5: Solve for x
    x = 7,676,605,474.32/96,439.31
  6. Step 6: Final answer
    x = 79,600.38

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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.