Home / 53,720.72-74,157.32-36,261.82

Finding the Fourth Proportional to 53,720.72, 74,157.32 and 36,261.82

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Solution

The fourth proportional to 53,720.72, 74,157.32 and 36,261.82 is: 50,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.72 : 74,157.32 = 36,261.82 : x
  2. Step 2: Convert to fraction form
    53,720.72/74,157.32 = 36,261.82/x
  3. Step 3: Cross multiply
    53,720.72x = 74,157.32 × 36,261.82
  4. Step 4: Simplify right side
    53,720.72x = 2,689,079,389.52
  5. Step 5: Solve for x
    x = 2,689,079,389.52/53,720.72
  6. Step 6: Final answer
    x = 50,056.65

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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.