Home / 55,830.25-77,081.39-38,828.35

Finding the Fourth Proportional to 55,830.25, 77,081.39 and 38,828.35

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Solution

The fourth proportional to 55,830.25, 77,081.39 and 38,828.35 is: 53,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,830.25 : 77,081.39 = 38,828.35 : x
  2. Step 2: Convert to fraction form
    55,830.25/77,081.39 = 38,828.35/x
  3. Step 3: Cross multiply
    55,830.25x = 77,081.39 × 38,828.35
  4. Step 4: Simplify right side
    55,830.25x = 2,992,943,189.41
  5. Step 5: Solve for x
    x = 2,992,943,189.41/55,830.25
  6. Step 6: Final answer
    x = 53,607.91

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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.