Home / 99,314.49-137,052.36-53,993.60

Finding the Fourth Proportional to 99,314.49, 137,052.36 and 53,993.60

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Solution

The fourth proportional to 99,314.49, 137,052.36 and 53,993.60 is: 74,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314.49 : 137,052.36 = 53,993.60 : x
  2. Step 2: Convert to fraction form
    99,314.49/137,052.36 = 53,993.60/x
  3. Step 3: Cross multiply
    99,314.49x = 137,052.36 × 53,993.60
  4. Step 4: Simplify right side
    99,314.49x = 7,399,950,304.90
  5. Step 5: Solve for x
    x = 7,399,950,304.90/99,314.49
  6. Step 6: Final answer
    x = 74,510.28

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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.