Home / 89,980.08-134,853.05-36,609.86

Finding the Fourth Proportional to 89,980.08, 134,853.05 and 36,609.86

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Solution

The fourth proportional to 89,980.08, 134,853.05 and 36,609.86 is: 54,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,980.08 : 134,853.05 = 36,609.86 : x
  2. Step 2: Convert to fraction form
    89,980.08/134,853.05 = 36,609.86/x
  3. Step 3: Cross multiply
    89,980.08x = 134,853.05 × 36,609.86
  4. Step 4: Simplify right side
    89,980.08x = 4,936,950,606.81
  5. Step 5: Solve for x
    x = 4,936,950,606.81/89,980.08
  6. Step 6: Final answer
    x = 54,867.15

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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.