Home / 108,339.16-162,479.57-38,209.36

Finding the Fourth Proportional to 108,339.16, 162,479.57 and 38,209.36

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Solution

The fourth proportional to 108,339.16, 162,479.57 and 38,209.36 is: 57,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,339.16 : 162,479.57 = 38,209.36 : x
  2. Step 2: Convert to fraction form
    108,339.16/162,479.57 = 38,209.36/x
  3. Step 3: Cross multiply
    108,339.16x = 162,479.57 × 38,209.36
  4. Step 4: Simplify right side
    108,339.16x = 6,208,239,570.38
  5. Step 5: Solve for x
    x = 6,208,239,570.38/108,339.16
  6. Step 6: Final answer
    x = 57,303.75

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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.