Home / 90,374.45-135,645.76-46,034.39

Finding the Fourth Proportional to 90,374.45, 135,645.76 and 46,034.39

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Solution

The fourth proportional to 90,374.45, 135,645.76 and 46,034.39 is: 69,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374.45 : 135,645.76 = 46,034.39 : x
  2. Step 2: Convert to fraction form
    90,374.45/135,645.76 = 46,034.39/x
  3. Step 3: Cross multiply
    90,374.45x = 135,645.76 × 46,034.39
  4. Step 4: Simplify right side
    90,374.45x = 6,244,370,214.34
  5. Step 5: Solve for x
    x = 6,244,370,214.34/90,374.45
  6. Step 6: Final answer
    x = 69,094.42

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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.