Home / 89,605.44-134,320.02-42,847.36

Finding the Fourth Proportional to 89,605.44, 134,320.02 and 42,847.36

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Solution

The fourth proportional to 89,605.44, 134,320.02 and 42,847.36 is: 64,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,605.44 : 134,320.02 = 42,847.36 : x
  2. Step 2: Convert to fraction form
    89,605.44/134,320.02 = 42,847.36/x
  3. Step 3: Cross multiply
    89,605.44x = 134,320.02 × 42,847.36
  4. Step 4: Simplify right side
    89,605.44x = 5,755,258,252.15
  5. Step 5: Solve for x
    x = 5,755,258,252.15/89,605.44
  6. Step 6: Final answer
    x = 64,228.89

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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.