Home / 53,160.79-73,365.21-29,287.46

Finding the Fourth Proportional to 53,160.79, 73,365.21 and 29,287.46

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Solution

The fourth proportional to 53,160.79, 73,365.21 and 29,287.46 is: 40,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160.79 : 73,365.21 = 29,287.46 : x
  2. Step 2: Convert to fraction form
    53,160.79/73,365.21 = 29,287.46/x
  3. Step 3: Cross multiply
    53,160.79x = 73,365.21 × 29,287.46
  4. Step 4: Simplify right side
    53,160.79x = 2,148,680,653.27
  5. Step 5: Solve for x
    x = 2,148,680,653.27/53,160.79
  6. Step 6: Final answer
    x = 40,418.52

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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.