Home / 102,997.13-142,124.07-59,986.02

Finding the Fourth Proportional to 102,997.13, 142,124.07 and 59,986.02

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Solution

The fourth proportional to 102,997.13, 142,124.07 and 59,986.02 is: 82,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,997.13 : 142,124.07 = 59,986.02 : x
  2. Step 2: Convert to fraction form
    102,997.13/142,124.07 = 59,986.02/x
  3. Step 3: Cross multiply
    102,997.13x = 142,124.07 × 59,986.02
  4. Step 4: Simplify right side
    102,997.13x = 8,525,457,305.50
  5. Step 5: Solve for x
    x = 8,525,457,305.50/102,997.13
  6. Step 6: Final answer
    x = 82,773.74

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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.