Home / 115,048.58-172,623.14-40,222.45

Finding the Fourth Proportional to 115,048.58, 172,623.14 and 40,222.45

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Solution

The fourth proportional to 115,048.58, 172,623.14 and 40,222.45 is: 60,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,048.58 : 172,623.14 = 40,222.45 : x
  2. Step 2: Convert to fraction form
    115,048.58/172,623.14 = 40,222.45/x
  3. Step 3: Cross multiply
    115,048.58x = 172,623.14 × 40,222.45
  4. Step 4: Simplify right side
    115,048.58x = 6,943,325,617.49
  5. Step 5: Solve for x
    x = 6,943,325,617.49/115,048.58
  6. Step 6: Final answer
    x = 60,351.25

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1.5x scale

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.