Home / 66,101.82-99,056.40-30,574.08

Finding the Fourth Proportional to 66,101.82, 99,056.40 and 30,574.08

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Solution

The fourth proportional to 66,101.82, 99,056.40 and 30,574.08 is: 45,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,101.82 : 99,056.40 = 30,574.08 : x
  2. Step 2: Convert to fraction form
    66,101.82/99,056.40 = 30,574.08/x
  3. Step 3: Cross multiply
    66,101.82x = 99,056.40 × 30,574.08
  4. Step 4: Simplify right side
    66,101.82x = 3,028,558,298.11
  5. Step 5: Solve for x
    x = 3,028,558,298.11/66,101.82
  6. Step 6: Final answer
    x = 45,816.56

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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.