Home / 53,786.80-74,220.06-29,909.62

Finding the Fourth Proportional to 53,786.80, 74,220.06 and 29,909.62

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Solution

The fourth proportional to 53,786.80, 74,220.06 and 29,909.62 is: 41,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,786.80 : 74,220.06 = 29,909.62 : x
  2. Step 2: Convert to fraction form
    53,786.80/74,220.06 = 29,909.62/x
  3. Step 3: Cross multiply
    53,786.80x = 74,220.06 × 29,909.62
  4. Step 4: Simplify right side
    53,786.80x = 2,219,893,790.98
  5. Step 5: Solve for x
    x = 2,219,893,790.98/53,786.80
  6. Step 6: Final answer
    x = 41,272.09

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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.