Home / 99,351.64-137,106.18-54,030.05

Finding the Fourth Proportional to 99,351.64, 137,106.18 and 54,030.05

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Solution

The fourth proportional to 99,351.64, 137,106.18 and 54,030.05 is: 74,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,351.64 : 137,106.18 = 54,030.05 : x
  2. Step 2: Convert to fraction form
    99,351.64/137,106.18 = 54,030.05/x
  3. Step 3: Cross multiply
    99,351.64x = 137,106.18 × 54,030.05
  4. Step 4: Simplify right side
    99,351.64x = 7,407,853,589.33
  5. Step 5: Solve for x
    x = 7,407,853,589.33/99,351.64
  6. Step 6: Final answer
    x = 74,561.96

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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.