Home / 74,558.76-102,890.70-42,726.84

Finding the Fourth Proportional to 74,558.76, 102,890.70 and 42,726.84

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Solution

The fourth proportional to 74,558.76, 102,890.70 and 42,726.84 is: 58,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,558.76 : 102,890.70 = 42,726.84 : x
  2. Step 2: Convert to fraction form
    74,558.76/102,890.70 = 42,726.84/x
  3. Step 3: Cross multiply
    74,558.76x = 102,890.70 × 42,726.84
  4. Step 4: Simplify right side
    74,558.76x = 4,396,194,476.39
  5. Step 5: Solve for x
    x = 4,396,194,476.39/74,558.76
  6. Step 6: Final answer
    x = 58,962.82

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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.