Home / 67,104.84-100,690.06-47,509.32

Finding the Fourth Proportional to 67,104.84, 100,690.06 and 47,509.32

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Solution

The fourth proportional to 67,104.84, 100,690.06 and 47,509.32 is: 71,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,104.84 : 100,690.06 = 47,509.32 : x
  2. Step 2: Convert to fraction form
    67,104.84/100,690.06 = 47,509.32/x
  3. Step 3: Cross multiply
    67,104.84x = 100,690.06 × 47,509.32
  4. Step 4: Simplify right side
    67,104.84x = 4,783,716,281.36
  5. Step 5: Solve for x
    x = 4,783,716,281.36/67,104.84
  6. Step 6: Final answer
    x = 71,287.20

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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.