Home / 47,298.78-70,900.26-30,669.36

Finding the Fourth Proportional to 47,298.78, 70,900.26 and 30,669.36

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Solution

The fourth proportional to 47,298.78, 70,900.26 and 30,669.36 is: 45,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,298.78 : 70,900.26 = 30,669.36 : x
  2. Step 2: Convert to fraction form
    47,298.78/70,900.26 = 30,669.36/x
  3. Step 3: Cross multiply
    47,298.78x = 70,900.26 × 30,669.36
  4. Step 4: Simplify right side
    47,298.78x = 2,174,465,598.03
  5. Step 5: Solve for x
    x = 2,174,465,598.03/47,298.78
  6. Step 6: Final answer
    x = 45,972.97

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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.