Home / 124,087.95-171,236.43-67,499.33

Finding the Fourth Proportional to 124,087.95, 171,236.43 and 67,499.33

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Solution

The fourth proportional to 124,087.95, 171,236.43 and 67,499.33 is: 93,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,087.95 : 171,236.43 = 67,499.33 : x
  2. Step 2: Convert to fraction form
    124,087.95/171,236.43 = 67,499.33/x
  3. Step 3: Cross multiply
    124,087.95x = 171,236.43 × 67,499.33
  4. Step 4: Simplify right side
    124,087.95x = 11,558,343,440.41
  5. Step 5: Solve for x
    x = 11,558,343,440.41/124,087.95
  6. Step 6: Final answer
    x = 93,146.38

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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.