Home / 89,629.76-134,075.28-73,654.94

Finding the Fourth Proportional to 89,629.76, 134,075.28 and 73,654.94

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Solution

The fourth proportional to 89,629.76, 134,075.28 and 73,654.94 is: 110,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,629.76 : 134,075.28 = 73,654.94 : x
  2. Step 2: Convert to fraction form
    89,629.76/134,075.28 = 73,654.94/x
  3. Step 3: Cross multiply
    89,629.76x = 134,075.28 × 73,654.94
  4. Step 4: Simplify right side
    89,629.76x = 9,875,306,703.88
  5. Step 5: Solve for x
    x = 9,875,306,703.88/89,629.76
  6. Step 6: Final answer
    x = 110,178.88

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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.