Home / 74,209.88-102,373.98-48,706.04

Finding the Fourth Proportional to 74,209.88, 102,373.98 and 48,706.04

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Solution

The fourth proportional to 74,209.88, 102,373.98 and 48,706.04 is: 67,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,209.88 : 102,373.98 = 48,706.04 : x
  2. Step 2: Convert to fraction form
    74,209.88/102,373.98 = 48,706.04/x
  3. Step 3: Cross multiply
    74,209.88x = 102,373.98 × 48,706.04
  4. Step 4: Simplify right side
    74,209.88x = 4,986,231,164.84
  5. Step 5: Solve for x
    x = 4,986,231,164.84/74,209.88
  6. Step 6: Final answer
    x = 67,190.93

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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.