Home / 96,421.20-144,631.80-34,083.60

Finding the Fourth Proportional to 96,421.20, 144,631.80 and 34,083.60

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Solution

The fourth proportional to 96,421.20, 144,631.80 and 34,083.60 is: 51,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,421.20 : 144,631.80 = 34,083.60 : x
  2. Step 2: Convert to fraction form
    96,421.20/144,631.80 = 34,083.60/x
  3. Step 3: Cross multiply
    96,421.20x = 144,631.80 × 34,083.60
  4. Step 4: Simplify right side
    96,421.20x = 4,929,572,418.48
  5. Step 5: Solve for x
    x = 4,929,572,418.48/96,421.20
  6. Step 6: Final answer
    x = 51,125.40

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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.