Home / 104,760.63-144,566.89-57,012.95

Finding the Fourth Proportional to 104,760.63, 144,566.89 and 57,012.95

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Solution

The fourth proportional to 104,760.63, 144,566.89 and 57,012.95 is: 78,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,760.63 : 144,566.89 = 57,012.95 : x
  2. Step 2: Convert to fraction form
    104,760.63/144,566.89 = 57,012.95/x
  3. Step 3: Cross multiply
    104,760.63x = 144,566.89 × 57,012.95
  4. Step 4: Simplify right side
    104,760.63x = 8,242,184,871.23
  5. Step 5: Solve for x
    x = 8,242,184,871.23/104,760.63
  6. Step 6: Final answer
    x = 78,676.36

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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.