Home / 108,837.46-163,319.23-45,651.94

Finding the Fourth Proportional to 108,837.46, 163,319.23 and 45,651.94

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Solution

The fourth proportional to 108,837.46, 163,319.23 and 45,651.94 is: 68,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,837.46 : 163,319.23 = 45,651.94 : x
  2. Step 2: Convert to fraction form
    108,837.46/163,319.23 = 45,651.94/x
  3. Step 3: Cross multiply
    108,837.46x = 163,319.23 × 45,651.94
  4. Step 4: Simplify right side
    108,837.46x = 7,455,839,688.81
  5. Step 5: Solve for x
    x = 7,455,839,688.81/108,837.46
  6. Step 6: Final answer
    x = 68,504.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.