Home / 88,908.08-133,269.96-42,125.36

Finding the Fourth Proportional to 88,908.08, 133,269.96 and 42,125.36

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Solution

The fourth proportional to 88,908.08, 133,269.96 and 42,125.36 is: 63,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,908.08 : 133,269.96 = 42,125.36 : x
  2. Step 2: Convert to fraction form
    88,908.08/133,269.96 = 42,125.36/x
  3. Step 3: Cross multiply
    88,908.08x = 133,269.96 × 42,125.36
  4. Step 4: Simplify right side
    88,908.08x = 5,614,045,042.19
  5. Step 5: Solve for x
    x = 5,614,045,042.19/88,908.08
  6. Step 6: Final answer
    x = 63,144.37

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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.