Home / 69,977.40-104,966.10-41,983.80

Finding the Fourth Proportional to 69,977.40, 104,966.10 and 41,983.80

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Solution

The fourth proportional to 69,977.40, 104,966.10 and 41,983.80 is: 62,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977.40 : 104,966.10 = 41,983.80 : x
  2. Step 2: Convert to fraction form
    69,977.40/104,966.10 = 41,983.80/x
  3. Step 3: Cross multiply
    69,977.40x = 104,966.10 × 41,983.80
  4. Step 4: Simplify right side
    69,977.40x = 4,406,875,749.18
  5. Step 5: Solve for x
    x = 4,406,875,749.18/69,977.40
  6. Step 6: Final answer
    x = 62,975.70

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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.