Home / 77,202.02-115,812.36-27,271.89

Finding the Fourth Proportional to 77,202.02, 115,812.36 and 27,271.89

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Solution

The fourth proportional to 77,202.02, 115,812.36 and 27,271.89 is: 40,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,202.02 : 115,812.36 = 27,271.89 : x
  2. Step 2: Convert to fraction form
    77,202.02/115,812.36 = 27,271.89/x
  3. Step 3: Cross multiply
    77,202.02x = 115,812.36 × 27,271.89
  4. Step 4: Simplify right side
    77,202.02x = 3,158,421,942.56
  5. Step 5: Solve for x
    x = 3,158,421,942.56/77,202.02
  6. Step 6: Final answer
    x = 40,911.13

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1.5x scale

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.