Home / 61,176.78-84,430.35-34,326.54

Finding the Fourth Proportional to 61,176.78, 84,430.35 and 34,326.54

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Solution

The fourth proportional to 61,176.78, 84,430.35 and 34,326.54 is: 47,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,176.78 : 84,430.35 = 34,326.54 : x
  2. Step 2: Convert to fraction form
    61,176.78/84,430.35 = 34,326.54/x
  3. Step 3: Cross multiply
    61,176.78x = 84,430.35 × 34,326.54
  4. Step 4: Simplify right side
    61,176.78x = 2,898,201,786.49
  5. Step 5: Solve for x
    x = 2,898,201,786.49/61,176.78
  6. Step 6: Final answer
    x = 47,374.21

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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.