Home / 76,233.56-105,167.02-49,384.92

Finding the Fourth Proportional to 76,233.56, 105,167.02 and 49,384.92

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Solution

The fourth proportional to 76,233.56, 105,167.02 and 49,384.92 is: 68,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,233.56 : 105,167.02 = 49,384.92 : x
  2. Step 2: Convert to fraction form
    76,233.56/105,167.02 = 49,384.92/x
  3. Step 3: Cross multiply
    76,233.56x = 105,167.02 × 49,384.92
  4. Step 4: Simplify right side
    76,233.56x = 5,193,664,869.34
  5. Step 5: Solve for x
    x = 5,193,664,869.34/76,233.56
  6. Step 6: Final answer
    x = 68,128.33

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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.