Home / 103,582.67-142,942.65-58,260.63

Finding the Fourth Proportional to 103,582.67, 142,942.65 and 58,260.63

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Solution

The fourth proportional to 103,582.67, 142,942.65 and 58,260.63 is: 80,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,582.67 : 142,942.65 = 58,260.63 : x
  2. Step 2: Convert to fraction form
    103,582.67/142,942.65 = 58,260.63/x
  3. Step 3: Cross multiply
    103,582.67x = 142,942.65 × 58,260.63
  4. Step 4: Simplify right side
    103,582.67x = 8,327,928,842.87
  5. Step 5: Solve for x
    x = 8,327,928,842.87/103,582.67
  6. Step 6: Final answer
    x = 80,398.87

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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.