Home / 60,721.84-83,764.29-49,403.98

Finding the Fourth Proportional to 60,721.84, 83,764.29 and 49,403.98

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Solution

The fourth proportional to 60,721.84, 83,764.29 and 49,403.98 is: 68,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.84 : 83,764.29 = 49,403.98 : x
  2. Step 2: Convert to fraction form
    60,721.84/83,764.29 = 49,403.98/x
  3. Step 3: Cross multiply
    60,721.84x = 83,764.29 × 49,403.98
  4. Step 4: Simplify right side
    60,721.84x = 4,138,289,307.87
  5. Step 5: Solve for x
    x = 4,138,289,307.87/60,721.84
  6. Step 6: Final answer
    x = 68,151.58

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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.