Home / 48,685.48-67,125.09-40,630.72

Finding the Fourth Proportional to 48,685.48, 67,125.09 and 40,630.72

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Solution

The fourth proportional to 48,685.48, 67,125.09 and 40,630.72 is: 56,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.48 : 67,125.09 = 40,630.72 : x
  2. Step 2: Convert to fraction form
    48,685.48/67,125.09 = 40,630.72/x
  3. Step 3: Cross multiply
    48,685.48x = 67,125.09 × 40,630.72
  4. Step 4: Simplify right side
    48,685.48x = 2,727,340,736.76
  5. Step 5: Solve for x
    x = 2,727,340,736.76/48,685.48
  6. Step 6: Final answer
    x = 56,019.59

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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.