Home / 53,162.70-73,364.60-28,963.55

Finding the Fourth Proportional to 53,162.70, 73,364.60 and 28,963.55

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Solution

The fourth proportional to 53,162.70, 73,364.60 and 28,963.55 is: 39,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,162.70 : 73,364.60 = 28,963.55 : x
  2. Step 2: Convert to fraction form
    53,162.70/73,364.60 = 28,963.55/x
  3. Step 3: Cross multiply
    53,162.70x = 73,364.60 × 28,963.55
  4. Step 4: Simplify right side
    53,162.70x = 2,124,898,748.69
  5. Step 5: Solve for x
    x = 2,124,898,748.69/53,162.70
  6. Step 6: Final answer
    x = 39,969.73

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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.