Home / 87,945.60-132,004.80-43,622.40

Finding the Fourth Proportional to 87,945.60, 132,004.80 and 43,622.40

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Solution

The fourth proportional to 87,945.60, 132,004.80 and 43,622.40 is: 65,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,945.60 : 132,004.80 = 43,622.40 : x
  2. Step 2: Convert to fraction form
    87,945.60/132,004.80 = 43,622.40/x
  3. Step 3: Cross multiply
    87,945.60x = 132,004.80 × 43,622.40
  4. Step 4: Simplify right side
    87,945.60x = 5,758,366,187.52
  5. Step 5: Solve for x
    x = 5,758,366,187.52/87,945.60
  6. Step 6: Final answer
    x = 65,476.46

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1.5x scale

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.