Home / 125,412.88-173,071.72-68,823.44

Finding the Fourth Proportional to 125,412.88, 173,071.72 and 68,823.44

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Solution

The fourth proportional to 125,412.88, 173,071.72 and 68,823.44 is: 94,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412.88 : 173,071.72 = 68,823.44 : x
  2. Step 2: Convert to fraction form
    125,412.88/173,071.72 = 68,823.44/x
  3. Step 3: Cross multiply
    125,412.88x = 173,071.72 × 68,823.44
  4. Step 4: Simplify right side
    125,412.88x = 11,911,391,137.12
  5. Step 5: Solve for x
    x = 11,911,391,137.12/125,412.88
  6. Step 6: Final answer
    x = 94,977.41

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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.