Home / 108,307.36-162,474.48-38,172.64

Finding the Fourth Proportional to 108,307.36, 162,474.48 and 38,172.64

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Solution

The fourth proportional to 108,307.36, 162,474.48 and 38,172.64 is: 57,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,307.36 : 162,474.48 = 38,172.64 : x
  2. Step 2: Convert to fraction form
    108,307.36/162,474.48 = 38,172.64/x
  3. Step 3: Cross multiply
    108,307.36x = 162,474.48 × 38,172.64
  4. Step 4: Simplify right side
    108,307.36x = 6,202,079,834.23
  5. Step 5: Solve for x
    x = 6,202,079,834.23/108,307.36
  6. Step 6: Final answer
    x = 57,263.70

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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.