Home / 90,758.48-136,165.38-46,416.38

Finding the Fourth Proportional to 90,758.48, 136,165.38 and 46,416.38

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Solution

The fourth proportional to 90,758.48, 136,165.38 and 46,416.38 is: 69,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,758.48 : 136,165.38 = 46,416.38 : x
  2. Step 2: Convert to fraction form
    90,758.48/136,165.38 = 46,416.38/x
  3. Step 3: Cross multiply
    90,758.48x = 136,165.38 × 46,416.38
  4. Step 4: Simplify right side
    90,758.48x = 6,320,304,020.92
  5. Step 5: Solve for x
    x = 6,320,304,020.92/90,758.48
  6. Step 6: Final answer
    x = 69,638.72

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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.