Home / 74,117.71-111,176.19-17,957.82

Finding the Fourth Proportional to 74,117.71, 111,176.19 and 17,957.82

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Solution

The fourth proportional to 74,117.71, 111,176.19 and 17,957.82 is: 26,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117.71 : 111,176.19 = 17,957.82 : x
  2. Step 2: Convert to fraction form
    74,117.71/111,176.19 = 17,957.82/x
  3. Step 3: Cross multiply
    74,117.71x = 111,176.19 × 17,957.82
  4. Step 4: Simplify right side
    74,117.71x = 1,996,482,008.31
  5. Step 5: Solve for x
    x = 1,996,482,008.31/74,117.71
  6. Step 6: Final answer
    x = 26,936.64

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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.