Home / 116,977.56-161,430.36-63,263.64

Finding the Fourth Proportional to 116,977.56, 161,430.36 and 63,263.64

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Solution

The fourth proportional to 116,977.56, 161,430.36 and 63,263.64 is: 87,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,977.56 : 161,430.36 = 63,263.64 : x
  2. Step 2: Convert to fraction form
    116,977.56/161,430.36 = 63,263.64/x
  3. Step 3: Cross multiply
    116,977.56x = 161,430.36 × 63,263.64
  4. Step 4: Simplify right side
    116,977.56x = 10,212,672,180.11
  5. Step 5: Solve for x
    x = 10,212,672,180.11/116,977.56
  6. Step 6: Final answer
    x = 87,304.54

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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.