Home / 108,790.32-163,054.26-56,171.10

Finding the Fourth Proportional to 108,790.32, 163,054.26 and 56,171.10

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Solution

The fourth proportional to 108,790.32, 163,054.26 and 56,171.10 is: 84,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,790.32 : 163,054.26 = 56,171.10 : x
  2. Step 2: Convert to fraction form
    108,790.32/163,054.26 = 56,171.10/x
  3. Step 3: Cross multiply
    108,790.32x = 163,054.26 × 56,171.10
  4. Step 4: Simplify right side
    108,790.32x = 9,158,937,143.89
  5. Step 5: Solve for x
    x = 9,158,937,143.89/108,790.32
  6. Step 6: Final answer
    x = 84,188.90

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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.