Home / 112,111.44-154,713.75-61,124.22

Finding the Fourth Proportional to 112,111.44, 154,713.75 and 61,124.22

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Solution

The fourth proportional to 112,111.44, 154,713.75 and 61,124.22 is: 84,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,111.44 : 154,713.75 = 61,124.22 : x
  2. Step 2: Convert to fraction form
    112,111.44/154,713.75 = 61,124.22/x
  3. Step 3: Cross multiply
    112,111.44x = 154,713.75 × 61,124.22
  4. Step 4: Simplify right side
    112,111.44x = 9,456,756,344.31
  5. Step 5: Solve for x
    x = 9,456,756,344.31/112,111.44
  6. Step 6: Final answer
    x = 84,351.39

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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.