Home / 89,563.26-134,140.65-42,849.18

Finding the Fourth Proportional to 89,563.26, 134,140.65 and 42,849.18

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Solution

The fourth proportional to 89,563.26, 134,140.65 and 42,849.18 is: 64,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,563.26 : 134,140.65 = 42,849.18 : x
  2. Step 2: Convert to fraction form
    89,563.26/134,140.65 = 42,849.18/x
  3. Step 3: Cross multiply
    89,563.26x = 134,140.65 × 42,849.18
  4. Step 4: Simplify right side
    89,563.26x = 5,747,816,857.17
  5. Step 5: Solve for x
    x = 5,747,816,857.17/89,563.26
  6. Step 6: Final answer
    x = 64,176.06

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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.