Home / 89,276.32-133,998-47,187.64

Finding the Fourth Proportional to 89,276.32, 133,998 and 47,187.64

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Solution

The fourth proportional to 89,276.32, 133,998 and 47,187.64 is: 70,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,276.32 : 133,998 = 47,187.64 : x
  2. Step 2: Convert to fraction form
    89,276.32/133,998 = 47,187.64/x
  3. Step 3: Cross multiply
    89,276.32x = 133,998 × 47,187.64
  4. Step 4: Simplify right side
    89,276.32x = 6,323,049,384.72
  5. Step 5: Solve for x
    x = 6,323,049,384.72/89,276.32
  6. Step 6: Final answer
    x = 70,825.61

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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.