Home / 65,201-89,979.30-35,394.92

Finding the Fourth Proportional to 65,201, 89,979.30 and 35,394.92

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Solution

The fourth proportional to 65,201, 89,979.30 and 35,394.92 is: 48,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,201 : 89,979.30 = 35,394.92 : x
  2. Step 2: Convert to fraction form
    65,201/89,979.30 = 35,394.92/x
  3. Step 3: Cross multiply
    65,201x = 89,979.30 × 35,394.92
  4. Step 4: Simplify right side
    65,201x = 3,184,810,125.16
  5. Step 5: Solve for x
    x = 3,184,810,125.16/65,201
  6. Step 6: Final answer
    x = 48,846.03

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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.