Home / 78,995.07-118,492.83-22,839.75

Finding the Fourth Proportional to 78,995.07, 118,492.83 and 22,839.75

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Solution

The fourth proportional to 78,995.07, 118,492.83 and 22,839.75 is: 34,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,995.07 : 118,492.83 = 22,839.75 : x
  2. Step 2: Convert to fraction form
    78,995.07/118,492.83 = 22,839.75/x
  3. Step 3: Cross multiply
    78,995.07x = 118,492.83 × 22,839.75
  4. Step 4: Simplify right side
    78,995.07x = 2,706,346,613.99
  5. Step 5: Solve for x
    x = 2,706,346,613.99/78,995.07
  6. Step 6: Final answer
    x = 34,259.69

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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.