Home / 99,784.26-137,698.85-59,477.24

Finding the Fourth Proportional to 99,784.26, 137,698.85 and 59,477.24

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Solution

The fourth proportional to 99,784.26, 137,698.85 and 59,477.24 is: 82,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,784.26 : 137,698.85 = 59,477.24 : x
  2. Step 2: Convert to fraction form
    99,784.26/137,698.85 = 59,477.24/x
  3. Step 3: Cross multiply
    99,784.26x = 137,698.85 × 59,477.24
  4. Step 4: Simplify right side
    99,784.26x = 8,189,948,042.11
  5. Step 5: Solve for x
    x = 8,189,948,042.11/99,784.26
  6. Step 6: Final answer
    x = 82,076.55

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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.