Home / 56,207.16-77,558.04-54,695.16

Finding the Fourth Proportional to 56,207.16, 77,558.04 and 54,695.16

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Solution

The fourth proportional to 56,207.16, 77,558.04 and 54,695.16 is: 75,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.16 : 77,558.04 = 54,695.16 : x
  2. Step 2: Convert to fraction form
    56,207.16/77,558.04 = 54,695.16/x
  3. Step 3: Cross multiply
    56,207.16x = 77,558.04 × 54,695.16
  4. Step 4: Simplify right side
    56,207.16x = 4,242,049,407.09
  5. Step 5: Solve for x
    x = 4,242,049,407.09/56,207.16
  6. Step 6: Final answer
    x = 75,471.69

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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.