Home / 105,696.01-145,861.91-57,949.24

Finding the Fourth Proportional to 105,696.01, 145,861.91 and 57,949.24

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Solution

The fourth proportional to 105,696.01, 145,861.91 and 57,949.24 is: 79,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,696.01 : 145,861.91 = 57,949.24 : x
  2. Step 2: Convert to fraction form
    105,696.01/145,861.91 = 57,949.24/x
  3. Step 3: Cross multiply
    105,696.01x = 145,861.91 × 57,949.24
  4. Step 4: Simplify right side
    105,696.01x = 8,452,585,810.39
  5. Step 5: Solve for x
    x = 8,452,585,810.39/105,696.01
  6. Step 6: Final answer
    x = 79,970.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.