Home / 65,089.40-89,822.88-36,795.08

Finding the Fourth Proportional to 65,089.40, 89,822.88 and 36,795.08

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Solution

The fourth proportional to 65,089.40, 89,822.88 and 36,795.08 is: 50,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,089.40 : 89,822.88 = 36,795.08 : x
  2. Step 2: Convert to fraction form
    65,089.40/89,822.88 = 36,795.08/x
  3. Step 3: Cross multiply
    65,089.40x = 89,822.88 × 36,795.08
  4. Step 4: Simplify right side
    65,089.40x = 3,305,040,055.43
  5. Step 5: Solve for x
    x = 3,305,040,055.43/65,089.40
  6. Step 6: Final answer
    x = 50,776.93

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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.