Home / 86,967.06-130,412.31-44,870.95

Finding the Fourth Proportional to 86,967.06, 130,412.31 and 44,870.95

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Solution

The fourth proportional to 86,967.06, 130,412.31 and 44,870.95 is: 67,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,967.06 : 130,412.31 = 44,870.95 : x
  2. Step 2: Convert to fraction form
    86,967.06/130,412.31 = 44,870.95/x
  3. Step 3: Cross multiply
    86,967.06x = 130,412.31 × 44,870.95
  4. Step 4: Simplify right side
    86,967.06x = 5,851,724,241.39
  5. Step 5: Solve for x
    x = 5,851,724,241.39/86,967.06
  6. Step 6: Final answer
    x = 67,286.67

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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.