Home / 71,870.06-107,812.38-27,533.90

Finding the Fourth Proportional to 71,870.06, 107,812.38 and 27,533.90

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Solution

The fourth proportional to 71,870.06, 107,812.38 and 27,533.90 is: 41,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,870.06 : 107,812.38 = 27,533.90 : x
  2. Step 2: Convert to fraction form
    71,870.06/107,812.38 = 27,533.90/x
  3. Step 3: Cross multiply
    71,870.06x = 107,812.38 × 27,533.90
  4. Step 4: Simplify right side
    71,870.06x = 2,968,495,289.68
  5. Step 5: Solve for x
    x = 2,968,495,289.68/71,870.06
  6. Step 6: Final answer
    x = 41,303.64

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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.