Home / 97,355.27-134,411.09-74,650.64

Finding the Fourth Proportional to 97,355.27, 134,411.09 and 74,650.64

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Solution

The fourth proportional to 97,355.27, 134,411.09 and 74,650.64 is: 103,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,355.27 : 134,411.09 = 74,650.64 : x
  2. Step 2: Convert to fraction form
    97,355.27/134,411.09 = 74,650.64/x
  3. Step 3: Cross multiply
    97,355.27x = 134,411.09 × 74,650.64
  4. Step 4: Simplify right side
    97,355.27x = 10,033,873,891.60
  5. Step 5: Solve for x
    x = 10,033,873,891.60/97,355.27
  6. Step 6: Final answer
    x = 103,064.52

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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.