Home / 86,577.46-129,907.32-59,964.41

Finding the Fourth Proportional to 86,577.46, 129,907.32 and 59,964.41

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Solution

The fourth proportional to 86,577.46, 129,907.32 and 59,964.41 is: 89,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,577.46 : 129,907.32 = 59,964.41 : x
  2. Step 2: Convert to fraction form
    86,577.46/129,907.32 = 59,964.41/x
  3. Step 3: Cross multiply
    86,577.46x = 129,907.32 × 59,964.41
  4. Step 4: Simplify right side
    86,577.46x = 7,789,815,148.94
  5. Step 5: Solve for x
    x = 7,789,815,148.94/86,577.46
  6. Step 6: Final answer
    x = 89,975.10

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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.