Home / 94,685.61-142,028.24-55,215.04

Finding the Fourth Proportional to 94,685.61, 142,028.24 and 55,215.04

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Solution

The fourth proportional to 94,685.61, 142,028.24 and 55,215.04 is: 82,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,685.61 : 142,028.24 = 55,215.04 : x
  2. Step 2: Convert to fraction form
    94,685.61/142,028.24 = 55,215.04/x
  3. Step 3: Cross multiply
    94,685.61x = 142,028.24 × 55,215.04
  4. Step 4: Simplify right side
    94,685.61x = 7,842,094,952.73
  5. Step 5: Solve for x
    x = 7,842,094,952.73/94,685.61
  6. Step 6: Final answer
    x = 82,822.46

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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.