Home / 125,813.32-173,665.14-78,094.60

Finding the Fourth Proportional to 125,813.32, 173,665.14 and 78,094.60

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Solution

The fourth proportional to 125,813.32, 173,665.14 and 78,094.60 is: 107,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,813.32 : 173,665.14 = 78,094.60 : x
  2. Step 2: Convert to fraction form
    125,813.32/173,665.14 = 78,094.60/x
  3. Step 3: Cross multiply
    125,813.32x = 173,665.14 × 78,094.60
  4. Step 4: Simplify right side
    125,813.32x = 13,562,309,642.24
  5. Step 5: Solve for x
    x = 13,562,309,642.24/125,813.32
  6. Step 6: Final answer
    x = 107,797.09

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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.