Home / 67,389.84-92,969.37-49,453.74

Finding the Fourth Proportional to 67,389.84, 92,969.37 and 49,453.74

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Solution

The fourth proportional to 67,389.84, 92,969.37 and 49,453.74 is: 68,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.84 : 92,969.37 = 49,453.74 : x
  2. Step 2: Convert to fraction form
    67,389.84/92,969.37 = 49,453.74/x
  3. Step 3: Cross multiply
    67,389.84x = 92,969.37 × 49,453.74
  4. Step 4: Simplify right side
    67,389.84x = 4,597,683,051.94
  5. Step 5: Solve for x
    x = 4,597,683,051.94/67,389.84
  6. Step 6: Final answer
    x = 68,225.17

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1.5x scale

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.