Home / 79,988.19-120,006.18-23,830.26

Finding the Fourth Proportional to 79,988.19, 120,006.18 and 23,830.26

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Solution

The fourth proportional to 79,988.19, 120,006.18 and 23,830.26 is: 35,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,988.19 : 120,006.18 = 23,830.26 : x
  2. Step 2: Convert to fraction form
    79,988.19/120,006.18 = 23,830.26/x
  3. Step 3: Cross multiply
    79,988.19x = 120,006.18 × 23,830.26
  4. Step 4: Simplify right side
    79,988.19x = 2,859,778,471.01
  5. Step 5: Solve for x
    x = 2,859,778,471.01/79,988.19
  6. Step 6: Final answer
    x = 35,752.51

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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.