Home / 105,055.44-144,975.99-57,308.37

Finding the Fourth Proportional to 105,055.44, 144,975.99 and 57,308.37

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Solution

The fourth proportional to 105,055.44, 144,975.99 and 57,308.37 is: 79,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,055.44 : 144,975.99 = 57,308.37 : x
  2. Step 2: Convert to fraction form
    105,055.44/144,975.99 = 57,308.37/x
  3. Step 3: Cross multiply
    105,055.44x = 144,975.99 × 57,308.37
  4. Step 4: Simplify right side
    105,055.44x = 8,308,337,676.04
  5. Step 5: Solve for x
    x = 8,308,337,676.04/105,055.44
  6. Step 6: Final answer
    x = 79,085.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.