Home / 103,636.13-155,479.71-33,515.45

Finding the Fourth Proportional to 103,636.13, 155,479.71 and 33,515.45

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Solution

The fourth proportional to 103,636.13, 155,479.71 and 33,515.45 is: 50,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.13 : 155,479.71 = 33,515.45 : x
  2. Step 2: Convert to fraction form
    103,636.13/155,479.71 = 33,515.45/x
  3. Step 3: Cross multiply
    103,636.13x = 155,479.71 × 33,515.45
  4. Step 4: Simplify right side
    103,636.13x = 5,210,972,446.52
  5. Step 5: Solve for x
    x = 5,210,972,446.52/103,636.13
  6. Step 6: Final answer
    x = 50,281.43

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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.