Home / 55,368.22-76,412.20-31,502.56

Finding the Fourth Proportional to 55,368.22, 76,412.20 and 31,502.56

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Solution

The fourth proportional to 55,368.22, 76,412.20 and 31,502.56 is: 43,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368.22 : 76,412.20 = 31,502.56 : x
  2. Step 2: Convert to fraction form
    55,368.22/76,412.20 = 31,502.56/x
  3. Step 3: Cross multiply
    55,368.22x = 76,412.20 × 31,502.56
  4. Step 4: Simplify right side
    55,368.22x = 2,407,179,915.23
  5. Step 5: Solve for x
    x = 2,407,179,915.23/55,368.22
  6. Step 6: Final answer
    x = 43,475.84

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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.