Home / 108,532.06-162,743.40-64,172.40

Finding the Fourth Proportional to 108,532.06, 162,743.40 and 64,172.40

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Solution

The fourth proportional to 108,532.06, 162,743.40 and 64,172.40 is: 96,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,532.06 : 162,743.40 = 64,172.40 : x
  2. Step 2: Convert to fraction form
    108,532.06/162,743.40 = 64,172.40/x
  3. Step 3: Cross multiply
    108,532.06x = 162,743.40 × 64,172.40
  4. Step 4: Simplify right side
    108,532.06x = 10,443,634,562.16
  5. Step 5: Solve for x
    x = 10,443,634,562.16/108,532.06
  6. Step 6: Final answer
    x = 96,226.26

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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.