Home / 54,111.76-81,186.09-29,154.37

Finding the Fourth Proportional to 54,111.76, 81,186.09 and 29,154.37

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Solution

The fourth proportional to 54,111.76, 81,186.09 and 29,154.37 is: 43,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111.76 : 81,186.09 = 29,154.37 : x
  2. Step 2: Convert to fraction form
    54,111.76/81,186.09 = 29,154.37/x
  3. Step 3: Cross multiply
    54,111.76x = 81,186.09 × 29,154.37
  4. Step 4: Simplify right side
    54,111.76x = 2,366,929,306.71
  5. Step 5: Solve for x
    x = 2,366,929,306.71/54,111.76
  6. Step 6: Final answer
    x = 43,741.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.