Home / 102,248.25-141,091.23-56,915.79

Finding the Fourth Proportional to 102,248.25, 141,091.23 and 56,915.79

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Solution

The fourth proportional to 102,248.25, 141,091.23 and 56,915.79 is: 78,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,248.25 : 141,091.23 = 56,915.79 : x
  2. Step 2: Convert to fraction form
    102,248.25/141,091.23 = 56,915.79/x
  3. Step 3: Cross multiply
    102,248.25x = 141,091.23 × 56,915.79
  4. Step 4: Simplify right side
    102,248.25x = 8,030,318,817.52
  5. Step 5: Solve for x
    x = 8,030,318,817.52/102,248.25
  6. Step 6: Final answer
    x = 78,537.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.