Home / 112,072.50-154,659.05-61,085.23

Finding the Fourth Proportional to 112,072.50, 154,659.05 and 61,085.23

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Solution

The fourth proportional to 112,072.50, 154,659.05 and 61,085.23 is: 84,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072.50 : 154,659.05 = 61,085.23 : x
  2. Step 2: Convert to fraction form
    112,072.50/154,659.05 = 61,085.23/x
  3. Step 3: Cross multiply
    112,072.50x = 154,659.05 × 61,085.23
  4. Step 4: Simplify right side
    112,072.50x = 9,447,383,177.83
  5. Step 5: Solve for x
    x = 9,447,383,177.83/112,072.50
  6. Step 6: Final answer
    x = 84,297.07

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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.