Home / 97,021.94-133,846.02-70,121.84

Finding the Fourth Proportional to 97,021.94, 133,846.02 and 70,121.84

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Solution

The fourth proportional to 97,021.94, 133,846.02 and 70,121.84 is: 96,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,021.94 : 133,846.02 = 70,121.84 : x
  2. Step 2: Convert to fraction form
    97,021.94/133,846.02 = 70,121.84/x
  3. Step 3: Cross multiply
    97,021.94x = 133,846.02 × 70,121.84
  4. Step 4: Simplify right side
    97,021.94x = 9,385,528,529.85
  5. Step 5: Solve for x
    x = 9,385,528,529.85/97,021.94
  6. Step 6: Final answer
    x = 96,736.15

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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.