Home / 69,960.16-104,901.36-28,358.56

Finding the Fourth Proportional to 69,960.16, 104,901.36 and 28,358.56

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Solution

The fourth proportional to 69,960.16, 104,901.36 and 28,358.56 is: 42,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960.16 : 104,901.36 = 28,358.56 : x
  2. Step 2: Convert to fraction form
    69,960.16/104,901.36 = 28,358.56/x
  3. Step 3: Cross multiply
    69,960.16x = 104,901.36 × 28,358.56
  4. Step 4: Simplify right side
    69,960.16x = 2,974,851,511.64
  5. Step 5: Solve for x
    x = 2,974,851,511.64/69,960.16
  6. Step 6: Final answer
    x = 42,522.08

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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.