Home / 92,161.90-127,222.63-61,964.69

Finding the Fourth Proportional to 92,161.90, 127,222.63 and 61,964.69

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Solution

The fourth proportional to 92,161.90, 127,222.63 and 61,964.69 is: 85,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,161.90 : 127,222.63 = 61,964.69 : x
  2. Step 2: Convert to fraction form
    92,161.90/127,222.63 = 61,964.69/x
  3. Step 3: Cross multiply
    92,161.90x = 127,222.63 × 61,964.69
  4. Step 4: Simplify right side
    92,161.90x = 7,883,310,828.93
  5. Step 5: Solve for x
    x = 7,883,310,828.93/92,161.90
  6. Step 6: Final answer
    x = 85,537.64

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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.