Home / 108,305.01-162,322.02-52,130.09

Finding the Fourth Proportional to 108,305.01, 162,322.02 and 52,130.09

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Solution

The fourth proportional to 108,305.01, 162,322.02 and 52,130.09 is: 78,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,305.01 : 162,322.02 = 52,130.09 : x
  2. Step 2: Convert to fraction form
    108,305.01/162,322.02 = 52,130.09/x
  3. Step 3: Cross multiply
    108,305.01x = 162,322.02 × 52,130.09
  4. Step 4: Simplify right side
    108,305.01x = 8,461,860,699.97
  5. Step 5: Solve for x
    x = 8,461,860,699.97/108,305.01
  6. Step 6: Final answer
    x = 78,129.91

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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.