Home / 76,948.45-106,190.60-48,269.32

Finding the Fourth Proportional to 76,948.45, 106,190.60 and 48,269.32

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Solution

The fourth proportional to 76,948.45, 106,190.60 and 48,269.32 is: 66,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948.45 : 106,190.60 = 48,269.32 : x
  2. Step 2: Convert to fraction form
    76,948.45/106,190.60 = 48,269.32/x
  3. Step 3: Cross multiply
    76,948.45x = 106,190.60 × 48,269.32
  4. Step 4: Simplify right side
    76,948.45x = 5,125,747,545.57
  5. Step 5: Solve for x
    x = 5,125,747,545.57/76,948.45
  6. Step 6: Final answer
    x = 66,612.75

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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.