Home / 114,971.24-172,161.61-70,463.16

Finding the Fourth Proportional to 114,971.24, 172,161.61 and 70,463.16

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Solution

The fourth proportional to 114,971.24, 172,161.61 and 70,463.16 is: 105,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,971.24 : 172,161.61 = 70,463.16 : x
  2. Step 2: Convert to fraction form
    114,971.24/172,161.61 = 70,463.16/x
  3. Step 3: Cross multiply
    114,971.24x = 172,161.61 × 70,463.16
  4. Step 4: Simplify right side
    114,971.24x = 12,131,050,895.13
  5. Step 5: Solve for x
    x = 12,131,050,895.13/114,971.24
  6. Step 6: Final answer
    x = 105,513.78

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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.