Home / 61,870.22-85,328.20-41,700.60

Finding the Fourth Proportional to 61,870.22, 85,328.20 and 41,700.60

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Solution

The fourth proportional to 61,870.22, 85,328.20 and 41,700.60 is: 57,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,870.22 : 85,328.20 = 41,700.60 : x
  2. Step 2: Convert to fraction form
    61,870.22/85,328.20 = 41,700.60/x
  3. Step 3: Cross multiply
    61,870.22x = 85,328.20 × 41,700.60
  4. Step 4: Simplify right side
    61,870.22x = 3,558,237,136.92
  5. Step 5: Solve for x
    x = 3,558,237,136.92/61,870.22
  6. Step 6: Final answer
    x = 57,511.31

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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.