Home / 58,739.38-81,064.36-33,245.78

Finding the Fourth Proportional to 58,739.38, 81,064.36 and 33,245.78

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Solution

The fourth proportional to 58,739.38, 81,064.36 and 33,245.78 is: 45,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,739.38 : 81,064.36 = 33,245.78 : x
  2. Step 2: Convert to fraction form
    58,739.38/81,064.36 = 33,245.78/x
  3. Step 3: Cross multiply
    58,739.38x = 81,064.36 × 33,245.78
  4. Step 4: Simplify right side
    58,739.38x = 2,695,047,878.40
  5. Step 5: Solve for x
    x = 2,695,047,878.40/58,739.38
  6. Step 6: Final answer
    x = 45,881.45

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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.