Home / 56,182.68-77,564.28-41,920.80

Finding the Fourth Proportional to 56,182.68, 77,564.28 and 41,920.80

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Solution

The fourth proportional to 56,182.68, 77,564.28 and 41,920.80 is: 57,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,182.68 : 77,564.28 = 41,920.80 : x
  2. Step 2: Convert to fraction form
    56,182.68/77,564.28 = 41,920.80/x
  3. Step 3: Cross multiply
    56,182.68x = 77,564.28 × 41,920.80
  4. Step 4: Simplify right side
    56,182.68x = 3,251,556,669.02
  5. Step 5: Solve for x
    x = 3,251,556,669.02/56,182.68
  6. Step 6: Final answer
    x = 57,874.72

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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.