Home / 125,395.52-173,049.36-68,810.60

Finding the Fourth Proportional to 125,395.52, 173,049.36 and 68,810.60

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Solution

The fourth proportional to 125,395.52, 173,049.36 and 68,810.60 is: 94,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,395.52 : 173,049.36 = 68,810.60 : x
  2. Step 2: Convert to fraction form
    125,395.52/173,049.36 = 68,810.60/x
  3. Step 3: Cross multiply
    125,395.52x = 173,049.36 × 68,810.60
  4. Step 4: Simplify right side
    125,395.52x = 11,907,630,291.22
  5. Step 5: Solve for x
    x = 11,907,630,291.22/125,395.52
  6. Step 6: Final answer
    x = 94,960.57

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1.5x scale

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.