Home / 105,938.37-146,194.28-57,539.81

Finding the Fourth Proportional to 105,938.37, 146,194.28 and 57,539.81

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Solution

The fourth proportional to 105,938.37, 146,194.28 and 57,539.81 is: 79,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,938.37 : 146,194.28 = 57,539.81 : x
  2. Step 2: Convert to fraction form
    105,938.37/146,194.28 = 57,539.81/x
  3. Step 3: Cross multiply
    105,938.37x = 146,194.28 × 57,539.81
  4. Step 4: Simplify right side
    105,938.37x = 8,411,991,094.29
  5. Step 5: Solve for x
    x = 8,411,991,094.29/105,938.37
  6. Step 6: Final answer
    x = 79,404.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.