Home / 57,411.07-79,265.94-51,342.48

Finding the Fourth Proportional to 57,411.07, 79,265.94 and 51,342.48

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Solution

The fourth proportional to 57,411.07, 79,265.94 and 51,342.48 is: 70,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,411.07 : 79,265.94 = 51,342.48 : x
  2. Step 2: Convert to fraction form
    57,411.07/79,265.94 = 51,342.48/x
  3. Step 3: Cross multiply
    57,411.07x = 79,265.94 × 51,342.48
  4. Step 4: Simplify right side
    57,411.07x = 4,069,709,939.13
  5. Step 5: Solve for x
    x = 4,069,709,939.13/57,411.07
  6. Step 6: Final answer
    x = 70,887.20

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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.