Home / 112,099.39-154,698.36-61,800.19

Finding the Fourth Proportional to 112,099.39, 154,698.36 and 61,800.19

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Solution

The fourth proportional to 112,099.39, 154,698.36 and 61,800.19 is: 85,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.39 : 154,698.36 = 61,800.19 : x
  2. Step 2: Convert to fraction form
    112,099.39/154,698.36 = 61,800.19/x
  3. Step 3: Cross multiply
    112,099.39x = 154,698.36 × 61,800.19
  4. Step 4: Simplify right side
    112,099.39x = 9,560,387,731.69
  5. Step 5: Solve for x
    x = 9,560,387,731.69/112,099.39
  6. Step 6: Final answer
    x = 85,284.92

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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.