Home / 53,761.50-74,187.36-29,887.29

Finding the Fourth Proportional to 53,761.50, 74,187.36 and 29,887.29

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Solution

The fourth proportional to 53,761.50, 74,187.36 and 29,887.29 is: 41,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,761.50 : 74,187.36 = 29,887.29 : x
  2. Step 2: Convert to fraction form
    53,761.50/74,187.36 = 29,887.29/x
  3. Step 3: Cross multiply
    53,761.50x = 74,187.36 × 29,887.29
  4. Step 4: Simplify right side
    53,761.50x = 2,217,259,142.65
  5. Step 5: Solve for x
    x = 2,217,259,142.65/53,761.50
  6. Step 6: Final answer
    x = 41,242.51

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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.