Home / 74,908.60-103,388.40-48,085.04

Finding the Fourth Proportional to 74,908.60, 103,388.40 and 48,085.04

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Solution

The fourth proportional to 74,908.60, 103,388.40 and 48,085.04 is: 66,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,908.60 : 103,388.40 = 48,085.04 : x
  2. Step 2: Convert to fraction form
    74,908.60/103,388.40 = 48,085.04/x
  3. Step 3: Cross multiply
    74,908.60x = 103,388.40 × 48,085.04
  4. Step 4: Simplify right side
    74,908.60x = 4,971,435,608.01
  5. Step 5: Solve for x
    x = 4,971,435,608.01/74,908.60
  6. Step 6: Final answer
    x = 66,366.69

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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.