Home / 108,047.30-161,864.40-58,110.80

Finding the Fourth Proportional to 108,047.30, 161,864.40 and 58,110.80

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Solution

The fourth proportional to 108,047.30, 161,864.40 and 58,110.80 is: 87,055.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,047.30 : 161,864.40 = 58,110.80 : x
  2. Step 2: Convert to fraction form
    108,047.30/161,864.40 = 58,110.80/x
  3. Step 3: Cross multiply
    108,047.30x = 161,864.40 × 58,110.80
  4. Step 4: Simplify right side
    108,047.30x = 9,406,069,775.52
  5. Step 5: Solve for x
    x = 9,406,069,775.52/108,047.30
  6. Step 6: Final answer
    x = 87,055.11

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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.