Home / 107,412.98-148,231.96-59,670.78

Finding the Fourth Proportional to 107,412.98, 148,231.96 and 59,670.78

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Solution

The fourth proportional to 107,412.98, 148,231.96 and 59,670.78 is: 82,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412.98 : 148,231.96 = 59,670.78 : x
  2. Step 2: Convert to fraction form
    107,412.98/148,231.96 = 59,670.78/x
  3. Step 3: Cross multiply
    107,412.98x = 148,231.96 × 59,670.78
  4. Step 4: Simplify right side
    107,412.98x = 8,845,116,674.13
  5. Step 5: Solve for x
    x = 8,845,116,674.13/107,412.98
  6. Step 6: Final answer
    x = 82,346.81

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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.