Home / 85,092.98-127,718.26-43,002.68

Finding the Fourth Proportional to 85,092.98, 127,718.26 and 43,002.68

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Solution

The fourth proportional to 85,092.98, 127,718.26 and 43,002.68 is: 64,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092.98 : 127,718.26 = 43,002.68 : x
  2. Step 2: Convert to fraction form
    85,092.98/127,718.26 = 43,002.68/x
  3. Step 3: Cross multiply
    85,092.98x = 127,718.26 × 43,002.68
  4. Step 4: Simplify right side
    85,092.98x = 5,492,227,464.94
  5. Step 5: Solve for x
    x = 5,492,227,464.94/85,092.98
  6. Step 6: Final answer
    x = 64,543.84

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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.