Home / 124,008.81-171,131.44-68,817.58

Finding the Fourth Proportional to 124,008.81, 171,131.44 and 68,817.58

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Solution

The fourth proportional to 124,008.81, 171,131.44 and 68,817.58 is: 94,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,008.81 : 171,131.44 = 68,817.58 : x
  2. Step 2: Convert to fraction form
    124,008.81/171,131.44 = 68,817.58/x
  3. Step 3: Cross multiply
    124,008.81x = 171,131.44 × 68,817.58
  4. Step 4: Simplify right side
    124,008.81x = 11,776,850,707.06
  5. Step 5: Solve for x
    x = 11,776,850,707.06/124,008.81
  6. Step 6: Final answer
    x = 94,967.86

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1.5x scale

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.