Home / 61,749.84-85,213.98-34,890.60

Finding the Fourth Proportional to 61,749.84, 85,213.98 and 34,890.60

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Solution

The fourth proportional to 61,749.84, 85,213.98 and 34,890.60 is: 48,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,749.84 : 85,213.98 = 34,890.60 : x
  2. Step 2: Convert to fraction form
    61,749.84/85,213.98 = 34,890.60/x
  3. Step 3: Cross multiply
    61,749.84x = 85,213.98 × 34,890.60
  4. Step 4: Simplify right side
    61,749.84x = 2,973,166,890.59
  5. Step 5: Solve for x
    x = 2,973,166,890.59/61,749.84
  6. Step 6: Final answer
    x = 48,148.58

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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.