Home / 42,256.80-63,385.20-29,037.60

Finding the Fourth Proportional to 42,256.80, 63,385.20 and 29,037.60

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Solution

The fourth proportional to 42,256.80, 63,385.20 and 29,037.60 is: 43,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,256.80 : 63,385.20 = 29,037.60 : x
  2. Step 2: Convert to fraction form
    42,256.80/63,385.20 = 29,037.60/x
  3. Step 3: Cross multiply
    42,256.80x = 63,385.20 × 29,037.60
  4. Step 4: Simplify right side
    42,256.80x = 1,840,554,083.52
  5. Step 5: Solve for x
    x = 1,840,554,083.52/42,256.80
  6. Step 6: Final answer
    x = 43,556.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.