Home / 89,239.70-133,714.83-47,117.54

Finding the Fourth Proportional to 89,239.70, 133,714.83 and 47,117.54

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Solution

The fourth proportional to 89,239.70, 133,714.83 and 47,117.54 is: 70,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,239.70 : 133,714.83 = 47,117.54 : x
  2. Step 2: Convert to fraction form
    89,239.70/133,714.83 = 47,117.54/x
  3. Step 3: Cross multiply
    89,239.70x = 133,714.83 × 47,117.54
  4. Step 4: Simplify right side
    89,239.70x = 6,300,313,851.12
  5. Step 5: Solve for x
    x = 6,300,313,851.12/89,239.70
  6. Step 6: Final answer
    x = 70,599.90

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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.