Home / 115,030.84-172,563.66-36,137.64

Finding the Fourth Proportional to 115,030.84, 172,563.66 and 36,137.64

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Solution

The fourth proportional to 115,030.84, 172,563.66 and 36,137.64 is: 54,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030.84 : 172,563.66 = 36,137.64 : x
  2. Step 2: Convert to fraction form
    115,030.84/172,563.66 = 36,137.64/x
  3. Step 3: Cross multiply
    115,030.84x = 172,563.66 × 36,137.64
  4. Step 4: Simplify right side
    115,030.84x = 6,236,043,422.16
  5. Step 5: Solve for x
    x = 6,236,043,422.16/115,030.84
  6. Step 6: Final answer
    x = 54,211.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.