Home / 103,046.51-154,579.22-31,969.69

Finding the Fourth Proportional to 103,046.51, 154,579.22 and 31,969.69

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Solution

The fourth proportional to 103,046.51, 154,579.22 and 31,969.69 is: 47,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,046.51 : 154,579.22 = 31,969.69 : x
  2. Step 2: Convert to fraction form
    103,046.51/154,579.22 = 31,969.69/x
  3. Step 3: Cross multiply
    103,046.51x = 154,579.22 × 31,969.69
  4. Step 4: Simplify right side
    103,046.51x = 4,941,849,743.84
  5. Step 5: Solve for x
    x = 4,941,849,743.84/103,046.51
  6. Step 6: Final answer
    x = 47,957.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.