Home / 45,293.70-67,635.55-36,990.20

Finding the Fourth Proportional to 45,293.70, 67,635.55 and 36,990.20

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Solution

The fourth proportional to 45,293.70, 67,635.55 and 36,990.20 is: 55,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,293.70 : 67,635.55 = 36,990.20 : x
  2. Step 2: Convert to fraction form
    45,293.70/67,635.55 = 36,990.20/x
  3. Step 3: Cross multiply
    45,293.70x = 67,635.55 × 36,990.20
  4. Step 4: Simplify right side
    45,293.70x = 2,501,852,521.61
  5. Step 5: Solve for x
    x = 2,501,852,521.61/45,293.70
  6. Step 6: Final answer
    x = 55,236.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.