Home / 90,789.22-136,250.25-46,453.06

Finding the Fourth Proportional to 90,789.22, 136,250.25 and 46,453.06

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Solution

The fourth proportional to 90,789.22, 136,250.25 and 46,453.06 is: 69,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,789.22 : 136,250.25 = 46,453.06 : x
  2. Step 2: Convert to fraction form
    90,789.22/136,250.25 = 46,453.06/x
  3. Step 3: Cross multiply
    90,789.22x = 136,250.25 × 46,453.06
  4. Step 4: Simplify right side
    90,789.22x = 6,329,241,038.27
  5. Step 5: Solve for x
    x = 6,329,241,038.27/90,789.22
  6. Step 6: Final answer
    x = 69,713.57

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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.