Home / 78,348.04-108,134.90-44,813.96

Finding the Fourth Proportional to 78,348.04, 108,134.90 and 44,813.96

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Solution

The fourth proportional to 78,348.04, 108,134.90 and 44,813.96 is: 61,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,348.04 : 108,134.90 = 44,813.96 : x
  2. Step 2: Convert to fraction form
    78,348.04/108,134.90 = 44,813.96/x
  3. Step 3: Cross multiply
    78,348.04x = 108,134.90 × 44,813.96
  4. Step 4: Simplify right side
    78,348.04x = 4,845,953,083.20
  5. Step 5: Solve for x
    x = 4,845,953,083.20/78,348.04
  6. Step 6: Final answer
    x = 61,851.62

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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.