Home / 74,069.80-111,026.94-53,281.96

Finding the Fourth Proportional to 74,069.80, 111,026.94 and 53,281.96

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Solution

The fourth proportional to 74,069.80, 111,026.94 and 53,281.96 is: 79,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069.80 : 111,026.94 = 53,281.96 : x
  2. Step 2: Convert to fraction form
    74,069.80/111,026.94 = 53,281.96/x
  3. Step 3: Cross multiply
    74,069.80x = 111,026.94 × 53,281.96
  4. Step 4: Simplify right side
    74,069.80x = 5,915,732,976.00
  5. Step 5: Solve for x
    x = 5,915,732,976.00/74,069.80
  6. Step 6: Final answer
    x = 79,867.00

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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.