Home / 115,045.80-172,634.58-62,459.70

Finding the Fourth Proportional to 115,045.80, 172,634.58 and 62,459.70

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Solution

The fourth proportional to 115,045.80, 172,634.58 and 62,459.70 is: 93,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,045.80 : 172,634.58 = 62,459.70 : x
  2. Step 2: Convert to fraction form
    115,045.80/172,634.58 = 62,459.70/x
  3. Step 3: Cross multiply
    115,045.80x = 172,634.58 × 62,459.70
  4. Step 4: Simplify right side
    115,045.80x = 10,782,704,076.43
  5. Step 5: Solve for x
    x = 10,782,704,076.43/115,045.80
  6. Step 6: Final answer
    x = 93,725.32

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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.