Home / 89,924.12-134,873.38-36,639.35

Finding the Fourth Proportional to 89,924.12, 134,873.38 and 36,639.35

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Solution

The fourth proportional to 89,924.12, 134,873.38 and 36,639.35 is: 54,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,924.12 : 134,873.38 = 36,639.35 : x
  2. Step 2: Convert to fraction form
    89,924.12/134,873.38 = 36,639.35/x
  3. Step 3: Cross multiply
    89,924.12x = 134,873.38 × 36,639.35
  4. Step 4: Simplify right side
    89,924.12x = 4,941,672,975.50
  5. Step 5: Solve for x
    x = 4,941,672,975.50/89,924.12
  6. Step 6: Final answer
    x = 54,953.81

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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.