Home / 57,256.20-78,904.80-41,312.16

Finding the Fourth Proportional to 57,256.20, 78,904.80 and 41,312.16

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Solution

The fourth proportional to 57,256.20, 78,904.80 and 41,312.16 is: 56,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256.20 : 78,904.80 = 41,312.16 : x
  2. Step 2: Convert to fraction form
    57,256.20/78,904.80 = 41,312.16/x
  3. Step 3: Cross multiply
    57,256.20x = 78,904.80 × 41,312.16
  4. Step 4: Simplify right side
    57,256.20x = 3,259,727,722.37
  5. Step 5: Solve for x
    x = 3,259,727,722.37/57,256.20
  6. Step 6: Final answer
    x = 56,932.31

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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.