Home / 105,989.24-158,984.76-31,110.62

Finding the Fourth Proportional to 105,989.24, 158,984.76 and 31,110.62

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Solution

The fourth proportional to 105,989.24, 158,984.76 and 31,110.62 is: 46,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989.24 : 158,984.76 = 31,110.62 : x
  2. Step 2: Convert to fraction form
    105,989.24/158,984.76 = 31,110.62/x
  3. Step 3: Cross multiply
    105,989.24x = 158,984.76 × 31,110.62
  4. Step 4: Simplify right side
    105,989.24x = 4,946,114,454.15
  5. Step 5: Solve for x
    x = 4,946,114,454.15/105,989.24
  6. Step 6: Final answer
    x = 46,666.19

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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.