Home / 105,741.24-145,924.91-57,997

Finding the Fourth Proportional to 105,741.24, 145,924.91 and 57,997

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Solution

The fourth proportional to 105,741.24, 145,924.91 and 57,997 is: 80,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,741.24 : 145,924.91 = 57,997 : x
  2. Step 2: Convert to fraction form
    105,741.24/145,924.91 = 57,997/x
  3. Step 3: Cross multiply
    105,741.24x = 145,924.91 × 57,997
  4. Step 4: Simplify right side
    105,741.24x = 8,463,207,005.27
  5. Step 5: Solve for x
    x = 8,463,207,005.27/105,741.24
  6. Step 6: Final answer
    x = 80,036.96

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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.