Home / 83,461.35-125,469.06-77,297.67

Finding the Fourth Proportional to 83,461.35, 125,469.06 and 77,297.67

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Solution

The fourth proportional to 83,461.35, 125,469.06 and 77,297.67 is: 116,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,461.35 : 125,469.06 = 77,297.67 : x
  2. Step 2: Convert to fraction form
    83,461.35/125,469.06 = 77,297.67/x
  3. Step 3: Cross multiply
    83,461.35x = 125,469.06 × 77,297.67
  4. Step 4: Simplify right side
    83,461.35x = 9,698,465,995.09
  5. Step 5: Solve for x
    x = 9,698,465,995.09/83,461.35
  6. Step 6: Final answer
    x = 116,203.08

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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.