Home / 92,647.21-127,897.23-62,072.95

Finding the Fourth Proportional to 92,647.21, 127,897.23 and 62,072.95

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Solution

The fourth proportional to 92,647.21, 127,897.23 and 62,072.95 is: 85,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,647.21 : 127,897.23 = 62,072.95 : x
  2. Step 2: Convert to fraction form
    92,647.21/127,897.23 = 62,072.95/x
  3. Step 3: Cross multiply
    92,647.21x = 127,897.23 × 62,072.95
  4. Step 4: Simplify right side
    92,647.21x = 7,938,958,362.93
  5. Step 5: Solve for x
    x = 7,938,958,362.93/92,647.21
  6. Step 6: Final answer
    x = 85,690.20

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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.