Home / 55,403.65-76,973.17-54,739.35

Finding the Fourth Proportional to 55,403.65, 76,973.17 and 54,739.35

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Solution

The fourth proportional to 55,403.65, 76,973.17 and 54,739.35 is: 76,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403.65 : 76,973.17 = 54,739.35 : x
  2. Step 2: Convert to fraction form
    55,403.65/76,973.17 = 54,739.35/x
  3. Step 3: Cross multiply
    55,403.65x = 76,973.17 × 54,739.35
  4. Step 4: Simplify right side
    55,403.65x = 4,213,461,293.24
  5. Step 5: Solve for x
    x = 4,213,461,293.24/55,403.65
  6. Step 6: Final answer
    x = 76,050.25

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.