Home / 90,346.68-124,690.14-54,556.92

Finding the Fourth Proportional to 90,346.68, 124,690.14 and 54,556.92

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Solution

The fourth proportional to 90,346.68, 124,690.14 and 54,556.92 is: 75,295.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,346.68 : 124,690.14 = 54,556.92 : x
  2. Step 2: Convert to fraction form
    90,346.68/124,690.14 = 54,556.92/x
  3. Step 3: Cross multiply
    90,346.68x = 124,690.14 × 54,556.92
  4. Step 4: Simplify right side
    90,346.68x = 6,802,709,992.77
  5. Step 5: Solve for x
    x = 6,802,709,992.77/90,346.68
  6. Step 6: Final answer
    x = 75,295.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.