Home / 89,563.40-134,381.48-57,578.24

Finding the Fourth Proportional to 89,563.40, 134,381.48 and 57,578.24

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Solution

The fourth proportional to 89,563.40, 134,381.48 and 57,578.24 is: 86,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,563.40 : 134,381.48 = 57,578.24 : x
  2. Step 2: Convert to fraction form
    89,563.40/134,381.48 = 57,578.24/x
  3. Step 3: Cross multiply
    89,563.40x = 134,381.48 × 57,578.24
  4. Step 4: Simplify right side
    89,563.40x = 7,737,449,107.00
  5. Step 5: Solve for x
    x = 7,737,449,107.00/89,563.40
  6. Step 6: Final answer
    x = 86,390.75

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1.5x scale

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.