Home / 108,791.32-163,055.76-56,172.10

Finding the Fourth Proportional to 108,791.32, 163,055.76 and 56,172.10

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Solution

The fourth proportional to 108,791.32, 163,055.76 and 56,172.10 is: 84,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,791.32 : 163,055.76 = 56,172.10 : x
  2. Step 2: Convert to fraction form
    108,791.32/163,055.76 = 56,172.10/x
  3. Step 3: Cross multiply
    108,791.32x = 163,055.76 × 56,172.10
  4. Step 4: Simplify right side
    108,791.32x = 9,159,184,456.30
  5. Step 5: Solve for x
    x = 9,159,184,456.30/108,791.32
  6. Step 6: Final answer
    x = 84,190.40

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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.