Home / 61,628.31-84,969.95-51,434.06

Finding the Fourth Proportional to 61,628.31, 84,969.95 and 51,434.06

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Solution

The fourth proportional to 61,628.31, 84,969.95 and 51,434.06 is: 70,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.31 : 84,969.95 = 51,434.06 : x
  2. Step 2: Convert to fraction form
    61,628.31/84,969.95 = 51,434.06/x
  3. Step 3: Cross multiply
    61,628.31x = 84,969.95 × 51,434.06
  4. Step 4: Simplify right side
    61,628.31x = 4,370,348,824.48
  5. Step 5: Solve for x
    x = 4,370,348,824.48/61,628.31
  6. Step 6: Final answer
    x = 70,914.63

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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.