Home / 89,334.20-133,782.60-42,532.40

Finding the Fourth Proportional to 89,334.20, 133,782.60 and 42,532.40

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Solution

The fourth proportional to 89,334.20, 133,782.60 and 42,532.40 is: 63,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,334.20 : 133,782.60 = 42,532.40 : x
  2. Step 2: Convert to fraction form
    89,334.20/133,782.60 = 42,532.40/x
  3. Step 3: Cross multiply
    89,334.20x = 133,782.60 × 42,532.40
  4. Step 4: Simplify right side
    89,334.20x = 5,690,095,056.24
  5. Step 5: Solve for x
    x = 5,690,095,056.24/89,334.20
  6. Step 6: Final answer
    x = 63,694.48

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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.