Home / 108,390.48-162,637.56-38,302.80

Finding the Fourth Proportional to 108,390.48, 162,637.56 and 38,302.80

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Solution

The fourth proportional to 108,390.48, 162,637.56 and 38,302.80 is: 57,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,390.48 : 162,637.56 = 38,302.80 : x
  2. Step 2: Convert to fraction form
    108,390.48/162,637.56 = 38,302.80/x
  3. Step 3: Cross multiply
    108,390.48x = 162,637.56 × 38,302.80
  4. Step 4: Simplify right side
    108,390.48x = 6,229,473,933.17
  5. Step 5: Solve for x
    x = 6,229,473,933.17/108,390.48
  6. Step 6: Final answer
    x = 57,472.52

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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.