Home / 52,205.72-72,018.52-30,969.95

Finding the Fourth Proportional to 52,205.72, 72,018.52 and 30,969.95

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Solution

The fourth proportional to 52,205.72, 72,018.52 and 30,969.95 is: 42,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,205.72 : 72,018.52 = 30,969.95 : x
  2. Step 2: Convert to fraction form
    52,205.72/72,018.52 = 30,969.95/x
  3. Step 3: Cross multiply
    52,205.72x = 72,018.52 × 30,969.95
  4. Step 4: Simplify right side
    52,205.72x = 2,230,409,525.96
  5. Step 5: Solve for x
    x = 2,230,409,525.96/52,205.72
  6. Step 6: Final answer
    x = 42,723.47

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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.