Home / 61,240.19-91,863.70-19,126.09

Finding the Fourth Proportional to 61,240.19, 91,863.70 and 19,126.09

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Solution

The fourth proportional to 61,240.19, 91,863.70 and 19,126.09 is: 28,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,240.19 : 91,863.70 = 19,126.09 : x
  2. Step 2: Convert to fraction form
    61,240.19/91,863.70 = 19,126.09/x
  3. Step 3: Cross multiply
    61,240.19x = 91,863.70 × 19,126.09
  4. Step 4: Simplify right side
    61,240.19x = 1,756,993,393.93
  5. Step 5: Solve for x
    x = 1,756,993,393.93/61,240.19
  6. Step 6: Final answer
    x = 28,690.20

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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.