Home / 103,845.42-143,354.52-60,818.94

Finding the Fourth Proportional to 103,845.42, 143,354.52 and 60,818.94

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Solution

The fourth proportional to 103,845.42, 143,354.52 and 60,818.94 is: 83,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.42 : 143,354.52 = 60,818.94 : x
  2. Step 2: Convert to fraction form
    103,845.42/143,354.52 = 60,818.94/x
  3. Step 3: Cross multiply
    103,845.42x = 143,354.52 × 60,818.94
  4. Step 4: Simplify right side
    103,845.42x = 8,718,669,950.61
  5. Step 5: Solve for x
    x = 8,718,669,950.61/103,845.42
  6. Step 6: Final answer
    x = 83,958.16

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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.