Home / 78,617.06-117,926.50-33,632.30

Finding the Fourth Proportional to 78,617.06, 117,926.50 and 33,632.30

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Solution

The fourth proportional to 78,617.06, 117,926.50 and 33,632.30 is: 50,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,617.06 : 117,926.50 = 33,632.30 : x
  2. Step 2: Convert to fraction form
    78,617.06/117,926.50 = 33,632.30/x
  3. Step 3: Cross multiply
    78,617.06x = 117,926.50 × 33,632.30
  4. Step 4: Simplify right side
    78,617.06x = 3,966,139,425.95
  5. Step 5: Solve for x
    x = 3,966,139,425.95/78,617.06
  6. Step 6: Final answer
    x = 50,448.84

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1.5x scale

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.