Home / 49,491.47-74,136.67-39,513.08

Finding the Fourth Proportional to 49,491.47, 74,136.67 and 39,513.08

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Solution

The fourth proportional to 49,491.47, 74,136.67 and 39,513.08 is: 59,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,491.47 : 74,136.67 = 39,513.08 : x
  2. Step 2: Convert to fraction form
    49,491.47/74,136.67 = 39,513.08/x
  3. Step 3: Cross multiply
    49,491.47x = 74,136.67 × 39,513.08
  4. Step 4: Simplify right side
    49,491.47x = 2,929,368,259.20
  5. Step 5: Solve for x
    x = 2,929,368,259.20/49,491.47
  6. Step 6: Final answer
    x = 59,189.35

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1.5x scale

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.