Home / 45,639.73-68,463.96-12,360.16

Finding the Fourth Proportional to 45,639.73, 68,463.96 and 12,360.16

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Solution

The fourth proportional to 45,639.73, 68,463.96 and 12,360.16 is: 18,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639.73 : 68,463.96 = 12,360.16 : x
  2. Step 2: Convert to fraction form
    45,639.73/68,463.96 = 12,360.16/x
  3. Step 3: Cross multiply
    45,639.73x = 68,463.96 × 12,360.16
  4. Step 4: Simplify right side
    45,639.73x = 846,225,499.83
  5. Step 5: Solve for x
    x = 846,225,499.83/45,639.73
  6. Step 6: Final answer
    x = 18,541.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.