Home / 53,319.33-73,580.72-29,120.63

Finding the Fourth Proportional to 53,319.33, 73,580.72 and 29,120.63

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Solution

The fourth proportional to 53,319.33, 73,580.72 and 29,120.63 is: 40,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,319.33 : 73,580.72 = 29,120.63 : x
  2. Step 2: Convert to fraction form
    53,319.33/73,580.72 = 29,120.63/x
  3. Step 3: Cross multiply
    53,319.33x = 73,580.72 × 29,120.63
  4. Step 4: Simplify right side
    53,319.33x = 2,142,716,408.75
  5. Step 5: Solve for x
    x = 2,142,716,408.75/53,319.33
  6. Step 6: Final answer
    x = 40,186.48

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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.