Home / 106,731.81-147,341.34-68,548.34

Finding the Fourth Proportional to 106,731.81, 147,341.34 and 68,548.34

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Solution

The fourth proportional to 106,731.81, 147,341.34 and 68,548.34 is: 94,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,731.81 : 147,341.34 = 68,548.34 : x
  2. Step 2: Convert to fraction form
    106,731.81/147,341.34 = 68,548.34/x
  3. Step 3: Cross multiply
    106,731.81x = 147,341.34 × 68,548.34
  4. Step 4: Simplify right side
    106,731.81x = 10,100,003,533.67
  5. Step 5: Solve for x
    x = 10,100,003,533.67/106,731.81
  6. Step 6: Final answer
    x = 94,629.74

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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.