Home / 93,375.09-139,931.42-40,674.06

Finding the Fourth Proportional to 93,375.09, 139,931.42 and 40,674.06

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Solution

The fourth proportional to 93,375.09, 139,931.42 and 40,674.06 is: 60,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,375.09 : 139,931.42 = 40,674.06 : x
  2. Step 2: Convert to fraction form
    93,375.09/139,931.42 = 40,674.06/x
  3. Step 3: Cross multiply
    93,375.09x = 139,931.42 × 40,674.06
  4. Step 4: Simplify right side
    93,375.09x = 5,691,578,769.59
  5. Step 5: Solve for x
    x = 5,691,578,769.59/93,375.09
  6. Step 6: Final answer
    x = 60,953.93

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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.