Home / 104,826.72-144,658.80-57,080.64

Finding the Fourth Proportional to 104,826.72, 144,658.80 and 57,080.64

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Solution

The fourth proportional to 104,826.72, 144,658.80 and 57,080.64 is: 78,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,826.72 : 144,658.80 = 57,080.64 : x
  2. Step 2: Convert to fraction form
    104,826.72/144,658.80 = 57,080.64/x
  3. Step 3: Cross multiply
    104,826.72x = 144,658.80 × 57,080.64
  4. Step 4: Simplify right side
    104,826.72x = 8,257,216,885.63
  5. Step 5: Solve for x
    x = 8,257,216,885.63/104,826.72
  6. Step 6: Final answer
    x = 78,770.15

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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.