Home / 57,603.36-86,327.28-29,920.80

Finding the Fourth Proportional to 57,603.36, 86,327.28 and 29,920.80

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Solution

The fourth proportional to 57,603.36, 86,327.28 and 29,920.80 is: 44,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603.36 : 86,327.28 = 29,920.80 : x
  2. Step 2: Convert to fraction form
    57,603.36/86,327.28 = 29,920.80/x
  3. Step 3: Cross multiply
    57,603.36x = 86,327.28 × 29,920.80
  4. Step 4: Simplify right side
    57,603.36x = 2,582,981,279.42
  5. Step 5: Solve for x
    x = 2,582,981,279.42/57,603.36
  6. Step 6: Final answer
    x = 44,840.81

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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.