Home / 99,563.08-137,396.51-54,240.96

Finding the Fourth Proportional to 99,563.08, 137,396.51 and 54,240.96

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Solution

The fourth proportional to 99,563.08, 137,396.51 and 54,240.96 is: 74,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,563.08 : 137,396.51 = 54,240.96 : x
  2. Step 2: Convert to fraction form
    99,563.08/137,396.51 = 54,240.96/x
  3. Step 3: Cross multiply
    99,563.08x = 137,396.51 × 54,240.96
  4. Step 4: Simplify right side
    99,563.08x = 7,452,518,603.05
  5. Step 5: Solve for x
    x = 7,452,518,603.05/99,563.08
  6. Step 6: Final answer
    x = 74,852.23

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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.