Home / 48,150.08-72,229.40-12,611.32

Finding the Fourth Proportional to 48,150.08, 72,229.40 and 12,611.32

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Solution

The fourth proportional to 48,150.08, 72,229.40 and 12,611.32 is: 18,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,150.08 : 72,229.40 = 12,611.32 : x
  2. Step 2: Convert to fraction form
    48,150.08/72,229.40 = 12,611.32/x
  3. Step 3: Cross multiply
    48,150.08x = 72,229.40 × 12,611.32
  4. Step 4: Simplify right side
    48,150.08x = 910,908,076.81
  5. Step 5: Solve for x
    x = 910,908,076.81/48,150.08
  6. Step 6: Final answer
    x = 18,918.10

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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.