Home / 65,051.49-89,786.07-42,350.97

Finding the Fourth Proportional to 65,051.49, 89,786.07 and 42,350.97

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Solution

The fourth proportional to 65,051.49, 89,786.07 and 42,350.97 is: 58,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,051.49 : 89,786.07 = 42,350.97 : x
  2. Step 2: Convert to fraction form
    65,051.49/89,786.07 = 42,350.97/x
  3. Step 3: Cross multiply
    65,051.49x = 89,786.07 × 42,350.97
  4. Step 4: Simplify right side
    65,051.49x = 3,802,527,156.99
  5. Step 5: Solve for x
    x = 3,802,527,156.99/65,051.49
  6. Step 6: Final answer
    x = 58,454.11

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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.