Home / 115,061.99-172,588.86-40,181.84

Finding the Fourth Proportional to 115,061.99, 172,588.86 and 40,181.84

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Solution

The fourth proportional to 115,061.99, 172,588.86 and 40,181.84 is: 60,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,061.99 : 172,588.86 = 40,181.84 : x
  2. Step 2: Convert to fraction form
    115,061.99/172,588.86 = 40,181.84/x
  3. Step 3: Cross multiply
    115,061.99x = 172,588.86 × 40,181.84
  4. Step 4: Simplify right side
    115,061.99x = 6,934,937,095.36
  5. Step 5: Solve for x
    x = 6,934,937,095.36/115,061.99
  6. Step 6: Final answer
    x = 60,271.31

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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.