Home / 74,485.39-102,778.32-44,259.52

Finding the Fourth Proportional to 74,485.39, 102,778.32 and 44,259.52

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Solution

The fourth proportional to 74,485.39, 102,778.32 and 44,259.52 is: 61,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,485.39 : 102,778.32 = 44,259.52 : x
  2. Step 2: Convert to fraction form
    74,485.39/102,778.32 = 44,259.52/x
  3. Step 3: Cross multiply
    74,485.39x = 102,778.32 × 44,259.52
  4. Step 4: Simplify right side
    74,485.39x = 4,548,919,109.61
  5. Step 5: Solve for x
    x = 4,548,919,109.61/74,485.39
  6. Step 6: Final answer
    x = 61,071.29

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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.