Home / 74,898.72-103,360.16-41,364.64

Finding the Fourth Proportional to 74,898.72, 103,360.16 and 41,364.64

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Solution

The fourth proportional to 74,898.72, 103,360.16 and 41,364.64 is: 57,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898.72 : 103,360.16 = 41,364.64 : x
  2. Step 2: Convert to fraction form
    74,898.72/103,360.16 = 41,364.64/x
  3. Step 3: Cross multiply
    74,898.72x = 103,360.16 × 41,364.64
  4. Step 4: Simplify right side
    74,898.72x = 4,275,455,808.74
  5. Step 5: Solve for x
    x = 4,275,455,808.74/74,898.72
  6. Step 6: Final answer
    x = 57,083.16

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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.