Home / 55,920.12-77,175.22-41,748.36

Finding the Fourth Proportional to 55,920.12, 77,175.22 and 41,748.36

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Solution

The fourth proportional to 55,920.12, 77,175.22 and 41,748.36 is: 57,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920.12 : 77,175.22 = 41,748.36 : x
  2. Step 2: Convert to fraction form
    55,920.12/77,175.22 = 41,748.36/x
  3. Step 3: Cross multiply
    55,920.12x = 77,175.22 × 41,748.36
  4. Step 4: Simplify right side
    55,920.12x = 3,221,938,867.64
  5. Step 5: Solve for x
    x = 3,221,938,867.64/55,920.12
  6. Step 6: Final answer
    x = 57,616.81

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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.