Home / 99,589.36-137,433.33-54,267.35

Finding the Fourth Proportional to 99,589.36, 137,433.33 and 54,267.35

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Solution

The fourth proportional to 99,589.36, 137,433.33 and 54,267.35 is: 74,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,589.36 : 137,433.33 = 54,267.35 : x
  2. Step 2: Convert to fraction form
    99,589.36/137,433.33 = 54,267.35/x
  3. Step 3: Cross multiply
    99,589.36x = 137,433.33 × 54,267.35
  4. Step 4: Simplify right side
    99,589.36x = 7,458,142,620.78
  5. Step 5: Solve for x
    x = 7,458,142,620.78/99,589.36
  6. Step 6: Final answer
    x = 74,888.95

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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.