Home / 108,651.12-149,953.92-60,263.75

Finding the Fourth Proportional to 108,651.12, 149,953.92 and 60,263.75

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Solution

The fourth proportional to 108,651.12, 149,953.92 and 60,263.75 is: 83,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,651.12 : 149,953.92 = 60,263.75 : x
  2. Step 2: Convert to fraction form
    108,651.12/149,953.92 = 60,263.75/x
  3. Step 3: Cross multiply
    108,651.12x = 149,953.92 × 60,263.75
  4. Step 4: Simplify right side
    108,651.12x = 9,036,784,796.63
  5. Step 5: Solve for x
    x = 9,036,784,796.63/108,651.12
  6. Step 6: Final answer
    x = 83,172.50

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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.