Home / 96,220.96-132,784.48-53,779.20

Finding the Fourth Proportional to 96,220.96, 132,784.48 and 53,779.20

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Solution

The fourth proportional to 96,220.96, 132,784.48 and 53,779.20 is: 74,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,220.96 : 132,784.48 = 53,779.20 : x
  2. Step 2: Convert to fraction form
    96,220.96/132,784.48 = 53,779.20/x
  3. Step 3: Cross multiply
    96,220.96x = 132,784.48 × 53,779.20
  4. Step 4: Simplify right side
    96,220.96x = 7,141,043,106.82
  5. Step 5: Solve for x
    x = 7,141,043,106.82/96,220.96
  6. Step 6: Final answer
    x = 74,215.05

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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.