Home / 99,629.84-137,487.41-54,308.22

Finding the Fourth Proportional to 99,629.84, 137,487.41 and 54,308.22

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Solution

The fourth proportional to 99,629.84, 137,487.41 and 54,308.22 is: 74,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,629.84 : 137,487.41 = 54,308.22 : x
  2. Step 2: Convert to fraction form
    99,629.84/137,487.41 = 54,308.22/x
  3. Step 3: Cross multiply
    99,629.84x = 137,487.41 × 54,308.22
  4. Step 4: Simplify right side
    99,629.84x = 7,466,695,926.05
  5. Step 5: Solve for x
    x = 7,466,695,926.05/99,629.84
  6. Step 6: Final answer
    x = 74,944.37

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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.