Home / 74,961.77-103,437.23-48,140.60

Finding the Fourth Proportional to 74,961.77, 103,437.23 and 48,140.60

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Solution

The fourth proportional to 74,961.77, 103,437.23 and 48,140.60 is: 66,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,961.77 : 103,437.23 = 48,140.60 : x
  2. Step 2: Convert to fraction form
    74,961.77/103,437.23 = 48,140.60/x
  3. Step 3: Cross multiply
    74,961.77x = 103,437.23 × 48,140.60
  4. Step 4: Simplify right side
    74,961.77x = 4,979,529,556.65
  5. Step 5: Solve for x
    x = 4,979,529,556.65/74,961.77
  6. Step 6: Final answer
    x = 66,427.59

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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.