Home / 76,148.36-105,132.44-48,935.48

Finding the Fourth Proportional to 76,148.36, 105,132.44 and 48,935.48

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Solution

The fourth proportional to 76,148.36, 105,132.44 and 48,935.48 is: 67,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,148.36 : 105,132.44 = 48,935.48 : x
  2. Step 2: Convert to fraction form
    76,148.36/105,132.44 = 48,935.48/x
  3. Step 3: Cross multiply
    76,148.36x = 105,132.44 × 48,935.48
  4. Step 4: Simplify right side
    76,148.36x = 5,144,706,414.97
  5. Step 5: Solve for x
    x = 5,144,706,414.97/76,148.36
  6. Step 6: Final answer
    x = 67,561.62

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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.