Home / 112,069.39-154,651.23-61,081.03

Finding the Fourth Proportional to 112,069.39, 154,651.23 and 61,081.03

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Solution

The fourth proportional to 112,069.39, 154,651.23 and 61,081.03 is: 84,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,069.39 : 154,651.23 = 61,081.03 : x
  2. Step 2: Convert to fraction form
    112,069.39/154,651.23 = 61,081.03/x
  3. Step 3: Cross multiply
    112,069.39x = 154,651.23 × 61,081.03
  4. Step 4: Simplify right side
    112,069.39x = 9,446,256,419.17
  5. Step 5: Solve for x
    x = 9,446,256,419.17/112,069.39
  6. Step 6: Final answer
    x = 84,289.35

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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.