Home / 89,132.63-133,606.80-29,948.36

Finding the Fourth Proportional to 89,132.63, 133,606.80 and 29,948.36

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Solution

The fourth proportional to 89,132.63, 133,606.80 and 29,948.36 is: 44,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,132.63 : 133,606.80 = 29,948.36 : x
  2. Step 2: Convert to fraction form
    89,132.63/133,606.80 = 29,948.36/x
  3. Step 3: Cross multiply
    89,132.63x = 133,606.80 × 29,948.36
  4. Step 4: Simplify right side
    89,132.63x = 4,001,303,876.81
  5. Step 5: Solve for x
    x = 4,001,303,876.81/89,132.63
  6. Step 6: Final answer
    x = 44,891.57

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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.