Home / 94,915.80-142,374.96-28,340.64

Finding the Fourth Proportional to 94,915.80, 142,374.96 and 28,340.64

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Solution

The fourth proportional to 94,915.80, 142,374.96 and 28,340.64 is: 42,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,915.80 : 142,374.96 = 28,340.64 : x
  2. Step 2: Convert to fraction form
    94,915.80/142,374.96 = 28,340.64/x
  3. Step 3: Cross multiply
    94,915.80x = 142,374.96 × 28,340.64
  4. Step 4: Simplify right side
    94,915.80x = 4,034,997,486.37
  5. Step 5: Solve for x
    x = 4,034,997,486.37/94,915.80
  6. Step 6: Final answer
    x = 42,511.34

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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.