Home / 89,919.04-134,836.98-52,490.02

Finding the Fourth Proportional to 89,919.04, 134,836.98 and 52,490.02

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Solution

The fourth proportional to 89,919.04, 134,836.98 and 52,490.02 is: 78,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.04 : 134,836.98 = 52,490.02 : x
  2. Step 2: Convert to fraction form
    89,919.04/134,836.98 = 52,490.02/x
  3. Step 3: Cross multiply
    89,919.04x = 134,836.98 × 52,490.02
  4. Step 4: Simplify right side
    89,919.04x = 7,077,595,776.94
  5. Step 5: Solve for x
    x = 7,077,595,776.94/89,919.04
  6. Step 6: Final answer
    x = 78,710.76

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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.