Home / 112,110.05-154,624.37-71,827.57

Finding the Fourth Proportional to 112,110.05, 154,624.37 and 71,827.57

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Solution

The fourth proportional to 112,110.05, 154,624.37 and 71,827.57 is: 99,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,110.05 : 154,624.37 = 71,827.57 : x
  2. Step 2: Convert to fraction form
    112,110.05/154,624.37 = 71,827.57/x
  3. Step 3: Cross multiply
    112,110.05x = 154,624.37 × 71,827.57
  4. Step 4: Simplify right side
    112,110.05x = 11,106,292,014.18
  5. Step 5: Solve for x
    x = 11,106,292,014.18/112,110.05
  6. Step 6: Final answer
    x = 99,065.98

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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.