Home / 84,094.09-126,190.55-77,599.51

Finding the Fourth Proportional to 84,094.09, 126,190.55 and 77,599.51

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Solution

The fourth proportional to 84,094.09, 126,190.55 and 77,599.51 is: 116,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,094.09 : 126,190.55 = 77,599.51 : x
  2. Step 2: Convert to fraction form
    84,094.09/126,190.55 = 77,599.51/x
  3. Step 3: Cross multiply
    84,094.09x = 126,190.55 × 77,599.51
  4. Step 4: Simplify right side
    84,094.09x = 9,792,324,846.63
  5. Step 5: Solve for x
    x = 9,792,324,846.63/84,094.09
  6. Step 6: Final answer
    x = 116,444.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.