Home / 76,916.48-106,085.04-48,611.84

Finding the Fourth Proportional to 76,916.48, 106,085.04 and 48,611.84

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Solution

The fourth proportional to 76,916.48, 106,085.04 and 48,611.84 is: 67,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,916.48 : 106,085.04 = 48,611.84 : x
  2. Step 2: Convert to fraction form
    76,916.48/106,085.04 = 48,611.84/x
  3. Step 3: Cross multiply
    76,916.48x = 106,085.04 × 48,611.84
  4. Step 4: Simplify right side
    76,916.48x = 5,156,988,990.87
  5. Step 5: Solve for x
    x = 5,156,988,990.87/76,916.48
  6. Step 6: Final answer
    x = 67,046.61

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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.