Home / 99,696.56-149,573.07-40,574.66

Finding the Fourth Proportional to 99,696.56, 149,573.07 and 40,574.66

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Solution

The fourth proportional to 99,696.56, 149,573.07 and 40,574.66 is: 60,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696.56 : 149,573.07 = 40,574.66 : x
  2. Step 2: Convert to fraction form
    99,696.56/149,573.07 = 40,574.66/x
  3. Step 3: Cross multiply
    99,696.56x = 149,573.07 × 40,574.66
  4. Step 4: Simplify right side
    99,696.56x = 6,068,875,712.54
  5. Step 5: Solve for x
    x = 6,068,875,712.54/99,696.56
  6. Step 6: Final answer
    x = 60,873.47

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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.