Home / 78,796.55-108,730.96-48,595.44

Finding the Fourth Proportional to 78,796.55, 108,730.96 and 48,595.44

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Solution

The fourth proportional to 78,796.55, 108,730.96 and 48,595.44 is: 67,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,796.55 : 108,730.96 = 48,595.44 : x
  2. Step 2: Convert to fraction form
    78,796.55/108,730.96 = 48,595.44/x
  3. Step 3: Cross multiply
    78,796.55x = 108,730.96 × 48,595.44
  4. Step 4: Simplify right side
    78,796.55x = 5,283,829,129.07
  5. Step 5: Solve for x
    x = 5,283,829,129.07/78,796.55
  6. Step 6: Final answer
    x = 67,056.61

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1.5x scale

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.