Home / 105,743.76-145,926.48-57,997.44

Finding the Fourth Proportional to 105,743.76, 145,926.48 and 57,997.44

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Solution

The fourth proportional to 105,743.76, 145,926.48 and 57,997.44 is: 80,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,743.76 : 145,926.48 = 57,997.44 : x
  2. Step 2: Convert to fraction form
    105,743.76/145,926.48 = 57,997.44/x
  3. Step 3: Cross multiply
    105,743.76x = 145,926.48 × 57,997.44
  4. Step 4: Simplify right side
    105,743.76x = 8,463,362,268.21
  5. Step 5: Solve for x
    x = 8,463,362,268.21/105,743.76
  6. Step 6: Final answer
    x = 80,036.52

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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.