Home / 80,894.88-111,635.51-45,087.21

Finding the Fourth Proportional to 80,894.88, 111,635.51 and 45,087.21

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Solution

The fourth proportional to 80,894.88, 111,635.51 and 45,087.21 is: 62,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,894.88 : 111,635.51 = 45,087.21 : x
  2. Step 2: Convert to fraction form
    80,894.88/111,635.51 = 45,087.21/x
  3. Step 3: Cross multiply
    80,894.88x = 111,635.51 × 45,087.21
  4. Step 4: Simplify right side
    80,894.88x = 5,033,333,457.39
  5. Step 5: Solve for x
    x = 5,033,333,457.39/80,894.88
  6. Step 6: Final answer
    x = 62,220.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.