Home / 79,233.95-118,851.47-20,069.79

Finding the Fourth Proportional to 79,233.95, 118,851.47 and 20,069.79

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Solution

The fourth proportional to 79,233.95, 118,851.47 and 20,069.79 is: 30,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,233.95 : 118,851.47 = 20,069.79 : x
  2. Step 2: Convert to fraction form
    79,233.95/118,851.47 = 20,069.79/x
  3. Step 3: Cross multiply
    79,233.95x = 118,851.47 × 20,069.79
  4. Step 4: Simplify right side
    79,233.95x = 2,385,323,943.74
  5. Step 5: Solve for x
    x = 2,385,323,943.74/79,233.95
  6. Step 6: Final answer
    x = 30,104.82

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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.