Home / 83,424.56-115,126.08-45,698.96

Finding the Fourth Proportional to 83,424.56, 115,126.08 and 45,698.96

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Solution

The fourth proportional to 83,424.56, 115,126.08 and 45,698.96 is: 63,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,424.56 : 115,126.08 = 45,698.96 : x
  2. Step 2: Convert to fraction form
    83,424.56/115,126.08 = 45,698.96/x
  3. Step 3: Cross multiply
    83,424.56x = 115,126.08 × 45,698.96
  4. Step 4: Simplify right side
    83,424.56x = 5,261,142,124.88
  5. Step 5: Solve for x
    x = 5,261,142,124.88/83,424.56
  6. Step 6: Final answer
    x = 63,064.67

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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.