Home / 55,120.48-76,101.36-36,290.08

Finding the Fourth Proportional to 55,120.48, 76,101.36 and 36,290.08

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Solution

The fourth proportional to 55,120.48, 76,101.36 and 36,290.08 is: 50,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120.48 : 76,101.36 = 36,290.08 : x
  2. Step 2: Convert to fraction form
    55,120.48/76,101.36 = 36,290.08/x
  3. Step 3: Cross multiply
    55,120.48x = 76,101.36 × 36,290.08
  4. Step 4: Simplify right side
    55,120.48x = 2,761,724,442.51
  5. Step 5: Solve for x
    x = 2,761,724,442.51/55,120.48
  6. Step 6: Final answer
    x = 50,103.42

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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.