Home / 108,922.32-163,315.44-52,740.72

Finding the Fourth Proportional to 108,922.32, 163,315.44 and 52,740.72

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Solution

The fourth proportional to 108,922.32, 163,315.44 and 52,740.72 is: 79,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,922.32 : 163,315.44 = 52,740.72 : x
  2. Step 2: Convert to fraction form
    108,922.32/163,315.44 = 52,740.72/x
  3. Step 3: Cross multiply
    108,922.32x = 163,315.44 × 52,740.72
  4. Step 4: Simplify right side
    108,922.32x = 8,613,373,892.72
  5. Step 5: Solve for x
    x = 8,613,373,892.72/108,922.32
  6. Step 6: Final answer
    x = 79,078.13

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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.