Home / 96,219.64-132,780.81-53,782.12

Finding the Fourth Proportional to 96,219.64, 132,780.81 and 53,782.12

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Solution

The fourth proportional to 96,219.64, 132,780.81 and 53,782.12 is: 74,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,219.64 : 132,780.81 = 53,782.12 : x
  2. Step 2: Convert to fraction form
    96,219.64/132,780.81 = 53,782.12/x
  3. Step 3: Cross multiply
    96,219.64x = 132,780.81 × 53,782.12
  4. Step 4: Simplify right side
    96,219.64x = 7,141,233,457.12
  5. Step 5: Solve for x
    x = 7,141,233,457.12/96,219.64
  6. Step 6: Final answer
    x = 74,218.04

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1.5x scale

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.