Home / 48,527.12-72,661.20-28,520.08

Finding the Fourth Proportional to 48,527.12, 72,661.20 and 28,520.08

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Solution

The fourth proportional to 48,527.12, 72,661.20 and 28,520.08 is: 42,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,527.12 : 72,661.20 = 28,520.08 : x
  2. Step 2: Convert to fraction form
    48,527.12/72,661.20 = 28,520.08/x
  3. Step 3: Cross multiply
    48,527.12x = 72,661.20 × 28,520.08
  4. Step 4: Simplify right side
    48,527.12x = 2,072,303,236.90
  5. Step 5: Solve for x
    x = 2,072,303,236.90/48,527.12
  6. Step 6: Final answer
    x = 42,704.02

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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.