Home / 53,150.95-73,348.21-29,279.23

Finding the Fourth Proportional to 53,150.95, 73,348.21 and 29,279.23

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Solution

The fourth proportional to 53,150.95, 73,348.21 and 29,279.23 is: 40,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,150.95 : 73,348.21 = 29,279.23 : x
  2. Step 2: Convert to fraction form
    53,150.95/73,348.21 = 29,279.23/x
  3. Step 3: Cross multiply
    53,150.95x = 73,348.21 × 29,279.23
  4. Step 4: Simplify right side
    53,150.95x = 2,147,579,110.68
  5. Step 5: Solve for x
    x = 2,147,579,110.68/53,150.95
  6. Step 6: Final answer
    x = 40,405.28

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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.