Home / 90,636.17-135,968.04-46,238.67

Finding the Fourth Proportional to 90,636.17, 135,968.04 and 46,238.67

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Solution

The fourth proportional to 90,636.17, 135,968.04 and 46,238.67 is: 69,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,636.17 : 135,968.04 = 46,238.67 : x
  2. Step 2: Convert to fraction form
    90,636.17/135,968.04 = 46,238.67/x
  3. Step 3: Cross multiply
    90,636.17x = 135,968.04 × 46,238.67
  4. Step 4: Simplify right side
    90,636.17x = 6,286,981,332.11
  5. Step 5: Solve for x
    x = 6,286,981,332.11/90,636.17
  6. Step 6: Final answer
    x = 69,365.04

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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.