Home / 125,411.44-173,070.12-68,824.84

Finding the Fourth Proportional to 125,411.44, 173,070.12 and 68,824.84

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Solution

The fourth proportional to 125,411.44, 173,070.12 and 68,824.84 is: 94,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,411.44 : 173,070.12 = 68,824.84 : x
  2. Step 2: Convert to fraction form
    125,411.44/173,070.12 = 68,824.84/x
  3. Step 3: Cross multiply
    125,411.44x = 173,070.12 × 68,824.84
  4. Step 4: Simplify right side
    125,411.44x = 11,911,523,317.78
  5. Step 5: Solve for x
    x = 11,911,523,317.78/125,411.44
  6. Step 6: Final answer
    x = 94,979.56

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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.