Home / 89,936.80-124,105.34-51,164.32

Finding the Fourth Proportional to 89,936.80, 124,105.34 and 51,164.32

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Solution

The fourth proportional to 89,936.80, 124,105.34 and 51,164.32 is: 70,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.80 : 124,105.34 = 51,164.32 : x
  2. Step 2: Convert to fraction form
    89,936.80/124,105.34 = 51,164.32/x
  3. Step 3: Cross multiply
    89,936.80x = 124,105.34 × 51,164.32
  4. Step 4: Simplify right side
    89,936.80x = 6,349,765,329.47
  5. Step 5: Solve for x
    x = 6,349,765,329.47/89,936.80
  6. Step 6: Final answer
    x = 70,602.53

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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.