Home / 112,099.64-154,698.56-61,800.44

Finding the Fourth Proportional to 112,099.64, 154,698.56 and 61,800.44

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Solution

The fourth proportional to 112,099.64, 154,698.56 and 61,800.44 is: 85,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.64 : 154,698.56 = 61,800.44 : x
  2. Step 2: Convert to fraction form
    112,099.64/154,698.56 = 61,800.44/x
  3. Step 3: Cross multiply
    112,099.64x = 154,698.56 × 61,800.44
  4. Step 4: Simplify right side
    112,099.64x = 9,560,439,075.37
  5. Step 5: Solve for x
    x = 9,560,439,075.37/112,099.64
  6. Step 6: Final answer
    x = 85,285.19

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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.