Home / 96,070.93-132,454.63-78,779.62

Finding the Fourth Proportional to 96,070.93, 132,454.63 and 78,779.62

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Solution

The fourth proportional to 96,070.93, 132,454.63 and 78,779.62 is: 108,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,070.93 : 132,454.63 = 78,779.62 : x
  2. Step 2: Convert to fraction form
    96,070.93/132,454.63 = 78,779.62/x
  3. Step 3: Cross multiply
    96,070.93x = 132,454.63 × 78,779.62
  4. Step 4: Simplify right side
    96,070.93x = 10,434,725,418.64
  5. Step 5: Solve for x
    x = 10,434,725,418.64/96,070.93
  6. Step 6: Final answer
    x = 108,614.81

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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.