Home / 99,589.16-137,431.27-54,267.46

Finding the Fourth Proportional to 99,589.16, 137,431.27 and 54,267.46

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Solution

The fourth proportional to 99,589.16, 137,431.27 and 54,267.46 is: 74,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,589.16 : 137,431.27 = 54,267.46 : x
  2. Step 2: Convert to fraction form
    99,589.16/137,431.27 = 54,267.46/x
  3. Step 3: Cross multiply
    99,589.16x = 137,431.27 × 54,267.46
  4. Step 4: Simplify right side
    99,589.16x = 7,458,045,947.47
  5. Step 5: Solve for x
    x = 7,458,045,947.47/99,589.16
  6. Step 6: Final answer
    x = 74,888.13

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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.