Home / 89,828.40-134,548.20-58,335.60

Finding the Fourth Proportional to 89,828.40, 134,548.20 and 58,335.60

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Solution

The fourth proportional to 89,828.40, 134,548.20 and 58,335.60 is: 87,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828.40 : 134,548.20 = 58,335.60 : x
  2. Step 2: Convert to fraction form
    89,828.40/134,548.20 = 58,335.60/x
  3. Step 3: Cross multiply
    89,828.40x = 134,548.20 × 58,335.60
  4. Step 4: Simplify right side
    89,828.40x = 7,848,949,975.92
  5. Step 5: Solve for x
    x = 7,848,949,975.92/89,828.40
  6. Step 6: Final answer
    x = 87,377.15

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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.