Home / 89,936.36-124,121-52,208.36

Finding the Fourth Proportional to 89,936.36, 124,121 and 52,208.36

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Solution

The fourth proportional to 89,936.36, 124,121 and 52,208.36 is: 72,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.36 : 124,121 = 52,208.36 : x
  2. Step 2: Convert to fraction form
    89,936.36/124,121 = 52,208.36/x
  3. Step 3: Cross multiply
    89,936.36x = 124,121 × 52,208.36
  4. Step 4: Simplify right side
    89,936.36x = 6,480,153,851.56
  5. Step 5: Solve for x
    x = 6,480,153,851.56/89,936.36
  6. Step 6: Final answer
    x = 72,052.66

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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.