Home / 99,478.23-149,202.63-36,283.56

Finding the Fourth Proportional to 99,478.23, 149,202.63 and 36,283.56

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Solution

The fourth proportional to 99,478.23, 149,202.63 and 36,283.56 is: 54,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,478.23 : 149,202.63 = 36,283.56 : x
  2. Step 2: Convert to fraction form
    99,478.23/149,202.63 = 36,283.56/x
  3. Step 3: Cross multiply
    99,478.23x = 149,202.63 × 36,283.56
  4. Step 4: Simplify right side
    99,478.23x = 5,413,602,577.76
  5. Step 5: Solve for x
    x = 5,413,602,577.76/99,478.23
  6. Step 6: Final answer
    x = 54,419.97

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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.