Home / 125,447.36-173,111.45-68,085.38

Finding the Fourth Proportional to 125,447.36, 173,111.45 and 68,085.38

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Solution

The fourth proportional to 125,447.36, 173,111.45 and 68,085.38 is: 93,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,447.36 : 173,111.45 = 68,085.38 : x
  2. Step 2: Convert to fraction form
    125,447.36/173,111.45 = 68,085.38/x
  3. Step 3: Cross multiply
    125,447.36x = 173,111.45 × 68,085.38
  4. Step 4: Simplify right side
    125,447.36x = 11,786,358,947.95
  5. Step 5: Solve for x
    x = 11,786,358,947.95/125,447.36
  6. Step 6: Final answer
    x = 93,954.62

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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.