Home / 89,763.72-134,684.40-48,162.12

Finding the Fourth Proportional to 89,763.72, 134,684.40 and 48,162.12

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Solution

The fourth proportional to 89,763.72, 134,684.40 and 48,162.12 is: 72,264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,763.72 : 134,684.40 = 48,162.12 : x
  2. Step 2: Convert to fraction form
    89,763.72/134,684.40 = 48,162.12/x
  3. Step 3: Cross multiply
    89,763.72x = 134,684.40 × 48,162.12
  4. Step 4: Simplify right side
    89,763.72x = 6,486,686,234.93
  5. Step 5: Solve for x
    x = 6,486,686,234.93/89,763.72
  6. Step 6: Final answer
    x = 72,264.01

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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.