Home / 94,642.02-142,057.80-68,019.30

Finding the Fourth Proportional to 94,642.02, 142,057.80 and 68,019.30

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Solution

The fourth proportional to 94,642.02, 142,057.80 and 68,019.30 is: 102,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,642.02 : 142,057.80 = 68,019.30 : x
  2. Step 2: Convert to fraction form
    94,642.02/142,057.80 = 68,019.30/x
  3. Step 3: Cross multiply
    94,642.02x = 142,057.80 × 68,019.30
  4. Step 4: Simplify right side
    94,642.02x = 9,662,672,115.54
  5. Step 5: Solve for x
    x = 9,662,672,115.54/94,642.02
  6. Step 6: Final answer
    x = 102,097.06

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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.