Home / 103,687.20-155,491.74-33,547.68

Finding the Fourth Proportional to 103,687.20, 155,491.74 and 33,547.68

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Solution

The fourth proportional to 103,687.20, 155,491.74 and 33,547.68 is: 50,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.20 : 155,491.74 = 33,547.68 : x
  2. Step 2: Convert to fraction form
    103,687.20/155,491.74 = 33,547.68/x
  3. Step 3: Cross multiply
    103,687.20x = 155,491.74 × 33,547.68
  4. Step 4: Simplify right side
    103,687.20x = 5,216,387,136.16
  5. Step 5: Solve for x
    x = 5,216,387,136.16/103,687.20
  6. Step 6: Final answer
    x = 50,308.88

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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.