Home / 65,129.13-89,880.84-36,834.75

Finding the Fourth Proportional to 65,129.13, 89,880.84 and 36,834.75

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Solution

The fourth proportional to 65,129.13, 89,880.84 and 36,834.75 is: 50,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,129.13 : 89,880.84 = 36,834.75 : x
  2. Step 2: Convert to fraction form
    65,129.13/89,880.84 = 36,834.75/x
  3. Step 3: Cross multiply
    65,129.13x = 89,880.84 × 36,834.75
  4. Step 4: Simplify right side
    65,129.13x = 3,310,738,271.19
  5. Step 5: Solve for x
    x = 3,310,738,271.19/65,129.13
  6. Step 6: Final answer
    x = 50,833.45

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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.