Home / 108,386.03-162,538.63-37,288.78

Finding the Fourth Proportional to 108,386.03, 162,538.63 and 37,288.78

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Solution

The fourth proportional to 108,386.03, 162,538.63 and 37,288.78 is: 55,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,386.03 : 162,538.63 = 37,288.78 : x
  2. Step 2: Convert to fraction form
    108,386.03/162,538.63 = 37,288.78/x
  3. Step 3: Cross multiply
    108,386.03x = 162,538.63 × 37,288.78
  4. Step 4: Simplify right side
    108,386.03x = 6,060,866,716.00
  5. Step 5: Solve for x
    x = 6,060,866,716.00/108,386.03
  6. Step 6: Final answer
    x = 55,919.26

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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.