Home / 73,126.37-109,689.59-26,379.25

Finding the Fourth Proportional to 73,126.37, 109,689.59 and 26,379.25

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Solution

The fourth proportional to 73,126.37, 109,689.59 and 26,379.25 is: 39,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,126.37 : 109,689.59 = 26,379.25 : x
  2. Step 2: Convert to fraction form
    73,126.37/109,689.59 = 26,379.25/x
  3. Step 3: Cross multiply
    73,126.37x = 109,689.59 × 26,379.25
  4. Step 4: Simplify right side
    73,126.37x = 2,893,529,117.01
  5. Step 5: Solve for x
    x = 2,893,529,117.01/73,126.37
  6. Step 6: Final answer
    x = 39,568.89

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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.