Home / 112,039.52-154,607.26-61,738.52

Finding the Fourth Proportional to 112,039.52, 154,607.26 and 61,738.52

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Solution

The fourth proportional to 112,039.52, 154,607.26 and 61,738.52 is: 85,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.52 : 154,607.26 = 61,738.52 : x
  2. Step 2: Convert to fraction form
    112,039.52/154,607.26 = 61,738.52/x
  3. Step 3: Cross multiply
    112,039.52x = 154,607.26 × 61,738.52
  4. Step 4: Simplify right side
    112,039.52x = 9,545,223,413.66
  5. Step 5: Solve for x
    x = 9,545,223,413.66/112,039.52
  6. Step 6: Final answer
    x = 85,195.15

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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.