Home / 125,416-173,074.35-68,827.24

Finding the Fourth Proportional to 125,416, 173,074.35 and 68,827.24

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Solution

The fourth proportional to 125,416, 173,074.35 and 68,827.24 is: 94,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,416 : 173,074.35 = 68,827.24 : x
  2. Step 2: Convert to fraction form
    125,416/173,074.35 = 68,827.24/x
  3. Step 3: Cross multiply
    125,416x = 173,074.35 × 68,827.24
  4. Step 4: Simplify right side
    125,416x = 11,912,229,825.29
  5. Step 5: Solve for x
    x = 11,912,229,825.29/125,416
  6. Step 6: Final answer
    x = 94,981.74

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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.