Home / 97,818.31-146,707.36-61,783.78

Finding the Fourth Proportional to 97,818.31, 146,707.36 and 61,783.78

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Solution

The fourth proportional to 97,818.31, 146,707.36 and 61,783.78 is: 92,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,818.31 : 146,707.36 = 61,783.78 : x
  2. Step 2: Convert to fraction form
    97,818.31/146,707.36 = 61,783.78/x
  3. Step 3: Cross multiply
    97,818.31x = 146,707.36 × 61,783.78
  4. Step 4: Simplify right side
    97,818.31x = 9,064,135,254.62
  5. Step 5: Solve for x
    x = 9,064,135,254.62/97,818.31
  6. Step 6: Final answer
    x = 92,662.97

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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.