Home / 112,080.09-154,591.38-66,722.93

Finding the Fourth Proportional to 112,080.09, 154,591.38 and 66,722.93

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Solution

The fourth proportional to 112,080.09, 154,591.38 and 66,722.93 is: 92,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,080.09 : 154,591.38 = 66,722.93 : x
  2. Step 2: Convert to fraction form
    112,080.09/154,591.38 = 66,722.93/x
  3. Step 3: Cross multiply
    112,080.09x = 154,591.38 × 66,722.93
  4. Step 4: Simplify right side
    112,080.09x = 10,314,789,053.39
  5. Step 5: Solve for x
    x = 10,314,789,053.39/112,080.09
  6. Step 6: Final answer
    x = 92,030.52

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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.