Home / 115,124.58-172,678.44-36,261.36

Finding the Fourth Proportional to 115,124.58, 172,678.44 and 36,261.36

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Solution

The fourth proportional to 115,124.58, 172,678.44 and 36,261.36 is: 54,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,124.58 : 172,678.44 = 36,261.36 : x
  2. Step 2: Convert to fraction form
    115,124.58/172,678.44 = 36,261.36/x
  3. Step 3: Cross multiply
    115,124.58x = 172,678.44 × 36,261.36
  4. Step 4: Simplify right side
    115,124.58x = 6,261,555,077.08
  5. Step 5: Solve for x
    x = 6,261,555,077.08/115,124.58
  6. Step 6: Final answer
    x = 54,389.38

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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.