Home / 103,511.76-155,267.56-33,391.07

Finding the Fourth Proportional to 103,511.76, 155,267.56 and 33,391.07

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Solution

The fourth proportional to 103,511.76, 155,267.56 and 33,391.07 is: 50,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,511.76 : 155,267.56 = 33,391.07 : x
  2. Step 2: Convert to fraction form
    103,511.76/155,267.56 = 33,391.07/x
  3. Step 3: Cross multiply
    103,511.76x = 155,267.56 × 33,391.07
  4. Step 4: Simplify right side
    103,511.76x = 5,184,549,964.69
  5. Step 5: Solve for x
    x = 5,184,549,964.69/103,511.76
  6. Step 6: Final answer
    x = 50,086.58

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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.