Home / 61,136.76-84,289.74-39,588.18

Finding the Fourth Proportional to 61,136.76, 84,289.74 and 39,588.18

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Solution

The fourth proportional to 61,136.76, 84,289.74 and 39,588.18 is: 54,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.76 : 84,289.74 = 39,588.18 : x
  2. Step 2: Convert to fraction form
    61,136.76/84,289.74 = 39,588.18/x
  3. Step 3: Cross multiply
    61,136.76x = 84,289.74 × 39,588.18
  4. Step 4: Simplify right side
    61,136.76x = 3,336,877,399.27
  5. Step 5: Solve for x
    x = 3,336,877,399.27/61,136.76
  6. Step 6: Final answer
    x = 54,580.54

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1.5x scale

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.