Home / 94,427.96-130,321.84-54,141.60

Finding the Fourth Proportional to 94,427.96, 130,321.84 and 54,141.60

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Solution

The fourth proportional to 94,427.96, 130,321.84 and 54,141.60 is: 74,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,427.96 : 130,321.84 = 54,141.60 : x
  2. Step 2: Convert to fraction form
    94,427.96/130,321.84 = 54,141.60/x
  3. Step 3: Cross multiply
    94,427.96x = 130,321.84 × 54,141.60
  4. Step 4: Simplify right side
    94,427.96x = 7,055,832,502.08
  5. Step 5: Solve for x
    x = 7,055,832,502.08/94,427.96
  6. Step 6: Final answer
    x = 74,721.86

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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.