Home / 77,577.32-116,271.90-35,399.60

Finding the Fourth Proportional to 77,577.32, 116,271.90 and 35,399.60

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Solution

The fourth proportional to 77,577.32, 116,271.90 and 35,399.60 is: 53,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,577.32 : 116,271.90 = 35,399.60 : x
  2. Step 2: Convert to fraction form
    77,577.32/116,271.90 = 35,399.60/x
  3. Step 3: Cross multiply
    77,577.32x = 116,271.90 × 35,399.60
  4. Step 4: Simplify right side
    77,577.32x = 4,115,978,169.88
  5. Step 5: Solve for x
    x = 4,115,978,169.88/77,577.32
  6. Step 6: Final answer
    x = 53,056.47

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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.