Home / 99,616.40-137,466.64-54,293.43

Finding the Fourth Proportional to 99,616.40, 137,466.64 and 54,293.43

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Solution

The fourth proportional to 99,616.40, 137,466.64 and 54,293.43 is: 74,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,616.40 : 137,466.64 = 54,293.43 : x
  2. Step 2: Convert to fraction form
    99,616.40/137,466.64 = 54,293.43/x
  3. Step 3: Cross multiply
    99,616.40x = 137,466.64 × 54,293.43
  4. Step 4: Simplify right side
    99,616.40x = 7,463,535,396.18
  5. Step 5: Solve for x
    x = 7,463,535,396.18/99,616.40
  6. Step 6: Final answer
    x = 74,922.76

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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.