Home / 101,666.49-152,504.60-49,120.17

Finding the Fourth Proportional to 101,666.49, 152,504.60 and 49,120.17

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Solution

The fourth proportional to 101,666.49, 152,504.60 and 49,120.17 is: 73,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,666.49 : 152,504.60 = 49,120.17 : x
  2. Step 2: Convert to fraction form
    101,666.49/152,504.60 = 49,120.17/x
  3. Step 3: Cross multiply
    101,666.49x = 152,504.60 × 49,120.17
  4. Step 4: Simplify right side
    101,666.49x = 7,491,051,632.18
  5. Step 5: Solve for x
    x = 7,491,051,632.18/101,666.49
  6. Step 6: Final answer
    x = 73,682.60

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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.