Home / 57,088.64-78,780.37-31,596.08

Finding the Fourth Proportional to 57,088.64, 78,780.37 and 31,596.08

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Solution

The fourth proportional to 57,088.64, 78,780.37 and 31,596.08 is: 43,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.64 : 78,780.37 = 31,596.08 : x
  2. Step 2: Convert to fraction form
    57,088.64/78,780.37 = 31,596.08/x
  3. Step 3: Cross multiply
    57,088.64x = 78,780.37 × 31,596.08
  4. Step 4: Simplify right side
    57,088.64x = 2,489,150,872.95
  5. Step 5: Solve for x
    x = 2,489,150,872.95/57,088.64
  6. Step 6: Final answer
    x = 43,601.51

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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.