Home / 112,085.40-154,675.72-61,098.60

Finding the Fourth Proportional to 112,085.40, 154,675.72 and 61,098.60

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Solution

The fourth proportional to 112,085.40, 154,675.72 and 61,098.60 is: 84,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,085.40 : 154,675.72 = 61,098.60 : x
  2. Step 2: Convert to fraction form
    112,085.40/154,675.72 = 61,098.60/x
  3. Step 3: Cross multiply
    112,085.40x = 154,675.72 × 61,098.60
  4. Step 4: Simplify right side
    112,085.40x = 9,450,469,945.99
  5. Step 5: Solve for x
    x = 9,450,469,945.99/112,085.40
  6. Step 6: Final answer
    x = 84,314.91

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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.