Home / 48,263.12-66,601.32-28,121.12

Finding the Fourth Proportional to 48,263.12, 66,601.32 and 28,121.12

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Solution

The fourth proportional to 48,263.12, 66,601.32 and 28,121.12 is: 38,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,263.12 : 66,601.32 = 28,121.12 : x
  2. Step 2: Convert to fraction form
    48,263.12/66,601.32 = 28,121.12/x
  3. Step 3: Cross multiply
    48,263.12x = 66,601.32 × 28,121.12
  4. Step 4: Simplify right side
    48,263.12x = 1,872,903,711.88
  5. Step 5: Solve for x
    x = 1,872,903,711.88/48,263.12
  6. Step 6: Final answer
    x = 38,806.11

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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.