Home / 55,294.93-76,308.15-31,096.36

Finding the Fourth Proportional to 55,294.93, 76,308.15 and 31,096.36

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Solution

The fourth proportional to 55,294.93, 76,308.15 and 31,096.36 is: 42,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.93 : 76,308.15 = 31,096.36 : x
  2. Step 2: Convert to fraction form
    55,294.93/76,308.15 = 31,096.36/x
  3. Step 3: Cross multiply
    55,294.93x = 76,308.15 × 31,096.36
  4. Step 4: Simplify right side
    55,294.93x = 2,372,905,703.33
  5. Step 5: Solve for x
    x = 2,372,905,703.33/55,294.93
  6. Step 6: Final answer
    x = 42,913.62

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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.