Home / 53,561.43-73,917.09-29,688.12

Finding the Fourth Proportional to 53,561.43, 73,917.09 and 29,688.12

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Solution

The fourth proportional to 53,561.43, 73,917.09 and 29,688.12 is: 40,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,561.43 : 73,917.09 = 29,688.12 : x
  2. Step 2: Convert to fraction form
    53,561.43/73,917.09 = 29,688.12/x
  3. Step 3: Cross multiply
    53,561.43x = 73,917.09 × 29,688.12
  4. Step 4: Simplify right side
    53,561.43x = 2,194,459,437.97
  5. Step 5: Solve for x
    x = 2,194,459,437.97/53,561.43
  6. Step 6: Final answer
    x = 40,970.89

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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.