Home / 66,705.18-92,086.56-51,563.58

Finding the Fourth Proportional to 66,705.18, 92,086.56 and 51,563.58

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Solution

The fourth proportional to 66,705.18, 92,086.56 and 51,563.58 is: 71,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705.18 : 92,086.56 = 51,563.58 : x
  2. Step 2: Convert to fraction form
    66,705.18/92,086.56 = 51,563.58/x
  3. Step 3: Cross multiply
    66,705.18x = 92,086.56 × 51,563.58
  4. Step 4: Simplify right side
    66,705.18x = 4,748,312,703.48
  5. Step 5: Solve for x
    x = 4,748,312,703.48/66,705.18
  6. Step 6: Final answer
    x = 71,183.57

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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.