Home / 99,350.51-137,105.33-54,029.39

Finding the Fourth Proportional to 99,350.51, 137,105.33 and 54,029.39

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Solution

The fourth proportional to 99,350.51, 137,105.33 and 54,029.39 is: 74,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,350.51 : 137,105.33 = 54,029.39 : x
  2. Step 2: Convert to fraction form
    99,350.51/137,105.33 = 54,029.39/x
  3. Step 3: Cross multiply
    99,350.51x = 137,105.33 × 54,029.39
  4. Step 4: Simplify right side
    99,350.51x = 7,407,716,389.98
  5. Step 5: Solve for x
    x = 7,407,716,389.98/99,350.51
  6. Step 6: Final answer
    x = 74,561.44

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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.