Home / 90,462.39-135,776.84-46,122.18

Finding the Fourth Proportional to 90,462.39, 135,776.84 and 46,122.18

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Solution

The fourth proportional to 90,462.39, 135,776.84 and 46,122.18 is: 69,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.39 : 135,776.84 = 46,122.18 : x
  2. Step 2: Convert to fraction form
    90,462.39/135,776.84 = 46,122.18/x
  3. Step 3: Cross multiply
    90,462.39x = 135,776.84 × 46,122.18
  4. Step 4: Simplify right side
    90,462.39x = 6,262,323,623.70
  5. Step 5: Solve for x
    x = 6,262,323,623.70/90,462.39
  6. Step 6: Final answer
    x = 69,225.71

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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.