Home / 125,844.08-173,661.34-71,406.16

Finding the Fourth Proportional to 125,844.08, 173,661.34 and 71,406.16

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Solution

The fourth proportional to 125,844.08, 173,661.34 and 71,406.16 is: 98,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844.08 : 173,661.34 = 71,406.16 : x
  2. Step 2: Convert to fraction form
    125,844.08/173,661.34 = 71,406.16/x
  3. Step 3: Cross multiply
    125,844.08x = 173,661.34 × 71,406.16
  4. Step 4: Simplify right side
    125,844.08x = 12,400,489,429.85
  5. Step 5: Solve for x
    x = 12,400,489,429.85/125,844.08
  6. Step 6: Final answer
    x = 98,538.52

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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.