Home / 61,099.05-91,698.10-31,525.35

Finding the Fourth Proportional to 61,099.05, 91,698.10 and 31,525.35

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Solution

The fourth proportional to 61,099.05, 91,698.10 and 31,525.35 is: 47,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,099.05 : 91,698.10 = 31,525.35 : x
  2. Step 2: Convert to fraction form
    61,099.05/91,698.10 = 31,525.35/x
  3. Step 3: Cross multiply
    61,099.05x = 91,698.10 × 31,525.35
  4. Step 4: Simplify right side
    61,099.05x = 2,890,814,274.15
  5. Step 5: Solve for x
    x = 2,890,814,274.15/61,099.05
  6. Step 6: Final answer
    x = 47,313.57

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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.