Home / 124,255.16-171,474.08-67,666.48

Finding the Fourth Proportional to 124,255.16, 171,474.08 and 67,666.48

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Solution

The fourth proportional to 124,255.16, 171,474.08 and 67,666.48 is: 93,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,255.16 : 171,474.08 = 67,666.48 : x
  2. Step 2: Convert to fraction form
    124,255.16/171,474.08 = 67,666.48/x
  3. Step 3: Cross multiply
    124,255.16x = 171,474.08 × 67,666.48
  4. Step 4: Simplify right side
    124,255.16x = 11,603,047,404.84
  5. Step 5: Solve for x
    x = 11,603,047,404.84/124,255.16
  6. Step 6: Final answer
    x = 93,380.81

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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.