Home / 107,010.21-147,678.87-58,615.54

Finding the Fourth Proportional to 107,010.21, 147,678.87 and 58,615.54

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Solution

The fourth proportional to 107,010.21, 147,678.87 and 58,615.54 is: 80,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,010.21 : 147,678.87 = 58,615.54 : x
  2. Step 2: Convert to fraction form
    107,010.21/147,678.87 = 58,615.54/x
  3. Step 3: Cross multiply
    107,010.21x = 147,678.87 × 58,615.54
  4. Step 4: Simplify right side
    107,010.21x = 8,656,276,711.64
  5. Step 5: Solve for x
    x = 8,656,276,711.64/107,010.21
  6. Step 6: Final answer
    x = 80,892.07

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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.