Home / 57,403.16-79,255.01-51,334.58

Finding the Fourth Proportional to 57,403.16, 79,255.01 and 51,334.58

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Solution

The fourth proportional to 57,403.16, 79,255.01 and 51,334.58 is: 70,876.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.16 : 79,255.01 = 51,334.58 : x
  2. Step 2: Convert to fraction form
    57,403.16/79,255.01 = 51,334.58/x
  3. Step 3: Cross multiply
    57,403.16x = 79,255.01 × 51,334.58
  4. Step 4: Simplify right side
    57,403.16x = 4,068,522,383.31
  5. Step 5: Solve for x
    x = 4,068,522,383.31/57,403.16
  6. Step 6: Final answer
    x = 70,876.29

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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.