Home / 89,235.45-133,708.46-47,113.29

Finding the Fourth Proportional to 89,235.45, 133,708.46 and 47,113.29

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Solution

The fourth proportional to 89,235.45, 133,708.46 and 47,113.29 is: 70,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.45 : 133,708.46 = 47,113.29 : x
  2. Step 2: Convert to fraction form
    89,235.45/133,708.46 = 47,113.29/x
  3. Step 3: Cross multiply
    89,235.45x = 133,708.46 × 47,113.29
  4. Step 4: Simplify right side
    89,235.45x = 6,299,445,215.87
  5. Step 5: Solve for x
    x = 6,299,445,215.87/89,235.45
  6. Step 6: Final answer
    x = 70,593.53

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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.