Home / 68,302.22-102,428.73-28,862.42

Finding the Fourth Proportional to 68,302.22, 102,428.73 and 28,862.42

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Solution

The fourth proportional to 68,302.22, 102,428.73 and 28,862.42 is: 43,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,302.22 : 102,428.73 = 28,862.42 : x
  2. Step 2: Convert to fraction form
    68,302.22/102,428.73 = 28,862.42/x
  3. Step 3: Cross multiply
    68,302.22x = 102,428.73 × 28,862.42
  4. Step 4: Simplify right side
    68,302.22x = 2,956,341,281.40
  5. Step 5: Solve for x
    x = 2,956,341,281.40/68,302.22
  6. Step 6: Final answer
    x = 43,283.24

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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.