Home / 74,894.44-103,178.52-52,192.16

Finding the Fourth Proportional to 74,894.44, 103,178.52 and 52,192.16

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Solution

The fourth proportional to 74,894.44, 103,178.52 and 52,192.16 is: 71,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,894.44 : 103,178.52 = 52,192.16 : x
  2. Step 2: Convert to fraction form
    74,894.44/103,178.52 = 52,192.16/x
  3. Step 3: Cross multiply
    74,894.44x = 103,178.52 × 52,192.16
  4. Step 4: Simplify right side
    74,894.44x = 5,385,109,824.40
  5. Step 5: Solve for x
    x = 5,385,109,824.40/74,894.44
  6. Step 6: Final answer
    x = 71,902.67

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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.