Home / 89,943.50-134,921.80-34,539.50

Finding the Fourth Proportional to 89,943.50, 134,921.80 and 34,539.50

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Solution

The fourth proportional to 89,943.50, 134,921.80 and 34,539.50 is: 51,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.50 : 134,921.80 = 34,539.50 : x
  2. Step 2: Convert to fraction form
    89,943.50/134,921.80 = 34,539.50/x
  3. Step 3: Cross multiply
    89,943.50x = 134,921.80 × 34,539.50
  4. Step 4: Simplify right side
    89,943.50x = 4,660,131,511.10
  5. Step 5: Solve for x
    x = 4,660,131,511.10/89,943.50
  6. Step 6: Final answer
    x = 51,811.77

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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.