Home / 53,078.76-73,246.86-29,203.20

Finding the Fourth Proportional to 53,078.76, 73,246.86 and 29,203.20

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Solution

The fourth proportional to 53,078.76, 73,246.86 and 29,203.20 is: 40,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,078.76 : 73,246.86 = 29,203.20 : x
  2. Step 2: Convert to fraction form
    53,078.76/73,246.86 = 29,203.20/x
  3. Step 3: Cross multiply
    53,078.76x = 73,246.86 × 29,203.20
  4. Step 4: Simplify right side
    53,078.76x = 2,139,042,701.95
  5. Step 5: Solve for x
    x = 2,139,042,701.95/53,078.76
  6. Step 6: Final answer
    x = 40,299.41

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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.