Home / 90,690.17-136,049.34-46,292.90

Finding the Fourth Proportional to 90,690.17, 136,049.34 and 46,292.90

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Solution

The fourth proportional to 90,690.17, 136,049.34 and 46,292.90 is: 69,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,690.17 : 136,049.34 = 46,292.90 : x
  2. Step 2: Convert to fraction form
    90,690.17/136,049.34 = 46,292.90/x
  3. Step 3: Cross multiply
    90,690.17x = 136,049.34 × 46,292.90
  4. Step 4: Simplify right side
    90,690.17x = 6,298,118,491.69
  5. Step 5: Solve for x
    x = 6,298,118,491.69/90,690.17
  6. Step 6: Final answer
    x = 69,446.54

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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.