Home / 77,954.34-116,902.20-61,508.10

Finding the Fourth Proportional to 77,954.34, 116,902.20 and 61,508.10

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Solution

The fourth proportional to 77,954.34, 116,902.20 and 61,508.10 is: 92,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,954.34 : 116,902.20 = 61,508.10 : x
  2. Step 2: Convert to fraction form
    77,954.34/116,902.20 = 61,508.10/x
  3. Step 3: Cross multiply
    77,954.34x = 116,902.20 × 61,508.10
  4. Step 4: Simplify right side
    77,954.34x = 7,190,432,207.82
  5. Step 5: Solve for x
    x = 7,190,432,207.82/77,954.34
  6. Step 6: Final answer
    x = 92,239.02

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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.