Home / 53,205.12-73,422.57-29,331.78

Finding the Fourth Proportional to 53,205.12, 73,422.57 and 29,331.78

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Solution

The fourth proportional to 53,205.12, 73,422.57 and 29,331.78 is: 40,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.12 : 73,422.57 = 29,331.78 : x
  2. Step 2: Convert to fraction form
    53,205.12/73,422.57 = 29,331.78/x
  3. Step 3: Cross multiply
    53,205.12x = 73,422.57 × 29,331.78
  4. Step 4: Simplify right side
    53,205.12x = 2,153,614,670.27
  5. Step 5: Solve for x
    x = 2,153,614,670.27/53,205.12
  6. Step 6: Final answer
    x = 40,477.58

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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.