Home / 53,059.12-73,220.05-29,185.80

Finding the Fourth Proportional to 53,059.12, 73,220.05 and 29,185.80

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Solution

The fourth proportional to 53,059.12, 73,220.05 and 29,185.80 is: 40,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,059.12 : 73,220.05 = 29,185.80 : x
  2. Step 2: Convert to fraction form
    53,059.12/73,220.05 = 29,185.80/x
  3. Step 3: Cross multiply
    53,059.12x = 73,220.05 × 29,185.80
  4. Step 4: Simplify right side
    53,059.12x = 2,136,985,735.29
  5. Step 5: Solve for x
    x = 2,136,985,735.29/53,059.12
  6. Step 6: Final answer
    x = 40,275.56

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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.