Home / 97,760.16-134,907.84-55,317.60

Finding the Fourth Proportional to 97,760.16, 134,907.84 and 55,317.60

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Solution

The fourth proportional to 97,760.16, 134,907.84 and 55,317.60 is: 76,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,760.16 : 134,907.84 = 55,317.60 : x
  2. Step 2: Convert to fraction form
    97,760.16/134,907.84 = 55,317.60/x
  3. Step 3: Cross multiply
    97,760.16x = 134,907.84 × 55,317.60
  4. Step 4: Simplify right side
    97,760.16x = 7,462,777,929.98
  5. Step 5: Solve for x
    x = 7,462,777,929.98/97,760.16
  6. Step 6: Final answer
    x = 76,337.62

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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.