Home / 55,079.93-76,010.00-31,206.53

Finding the Fourth Proportional to 55,079.93, 76,010.00 and 31,206.53

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Solution

The fourth proportional to 55,079.93, 76,010.00 and 31,206.53 is: 43,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.93 : 76,010.00 = 31,206.53 : x
  2. Step 2: Convert to fraction form
    55,079.93/76,010.00 = 31,206.53/x
  3. Step 3: Cross multiply
    55,079.93x = 76,010.00 × 31,206.53
  4. Step 4: Simplify right side
    55,079.93x = 2,372,008,379.29
  5. Step 5: Solve for x
    x = 2,372,008,379.29/55,079.93
  6. Step 6: Final answer
    x = 43,064.84

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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.