Home / 127,829.10-191,741.85-57,708.30

Finding the Fourth Proportional to 127,829.10, 191,741.85 and 57,708.30

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Solution

The fourth proportional to 127,829.10, 191,741.85 and 57,708.30 is: 86,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,829.10 : 191,741.85 = 57,708.30 : x
  2. Step 2: Convert to fraction form
    127,829.10/191,741.85 = 57,708.30/x
  3. Step 3: Cross multiply
    127,829.10x = 191,741.85 × 57,708.30
  4. Step 4: Simplify right side
    127,829.10x = 11,065,096,202.36
  5. Step 5: Solve for x
    x = 11,065,096,202.36/127,829.10
  6. Step 6: Final answer
    x = 86,561.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.