Home / 65,136.11-89,881.48-36,454.06

Finding the Fourth Proportional to 65,136.11, 89,881.48 and 36,454.06

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Solution

The fourth proportional to 65,136.11, 89,881.48 and 36,454.06 is: 50,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,136.11 : 89,881.48 = 36,454.06 : x
  2. Step 2: Convert to fraction form
    65,136.11/89,881.48 = 36,454.06/x
  3. Step 3: Cross multiply
    65,136.11x = 89,881.48 × 36,454.06
  4. Step 4: Simplify right side
    65,136.11x = 3,276,545,022.73
  5. Step 5: Solve for x
    x = 3,276,545,022.73/65,136.11
  6. Step 6: Final answer
    x = 50,303.05

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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.