Home / 114,448.50-171,720-61,795.98

Finding the Fourth Proportional to 114,448.50, 171,720 and 61,795.98

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Solution

The fourth proportional to 114,448.50, 171,720 and 61,795.98 is: 92,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,448.50 : 171,720 = 61,795.98 : x
  2. Step 2: Convert to fraction form
    114,448.50/171,720 = 61,795.98/x
  3. Step 3: Cross multiply
    114,448.50x = 171,720 × 61,795.98
  4. Step 4: Simplify right side
    114,448.50x = 10,611,605,685.60
  5. Step 5: Solve for x
    x = 10,611,605,685.60/114,448.50
  6. Step 6: Final answer
    x = 92,719.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.