Home / 96,734.80-144,929.40-79,109.20

Finding the Fourth Proportional to 96,734.80, 144,929.40 and 79,109.20

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Solution

The fourth proportional to 96,734.80, 144,929.40 and 79,109.20 is: 118,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,734.80 : 144,929.40 = 79,109.20 : x
  2. Step 2: Convert to fraction form
    96,734.80/144,929.40 = 79,109.20/x
  3. Step 3: Cross multiply
    96,734.80x = 144,929.40 × 79,109.20
  4. Step 4: Simplify right side
    96,734.80x = 11,465,248,890.48
  5. Step 5: Solve for x
    x = 11,465,248,890.48/96,734.80
  6. Step 6: Final answer
    x = 118,522.49

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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.