Home / 87,250.53-130,870.58-31,087.67

Finding the Fourth Proportional to 87,250.53, 130,870.58 and 31,087.67

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Solution

The fourth proportional to 87,250.53, 130,870.58 and 31,087.67 is: 46,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,250.53 : 130,870.58 = 31,087.67 : x
  2. Step 2: Convert to fraction form
    87,250.53/130,870.58 = 31,087.67/x
  3. Step 3: Cross multiply
    87,250.53x = 130,870.58 × 31,087.67
  4. Step 4: Simplify right side
    87,250.53x = 4,068,460,593.96
  5. Step 5: Solve for x
    x = 4,068,460,593.96/87,250.53
  6. Step 6: Final answer
    x = 46,629.64

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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.