Home / 89,621.16-134,431.52-23,055.72

Finding the Fourth Proportional to 89,621.16, 134,431.52 and 23,055.72

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Solution

The fourth proportional to 89,621.16, 134,431.52 and 23,055.72 is: 34,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,621.16 : 134,431.52 = 23,055.72 : x
  2. Step 2: Convert to fraction form
    89,621.16/134,431.52 = 23,055.72/x
  3. Step 3: Cross multiply
    89,621.16x = 134,431.52 × 23,055.72
  4. Step 4: Simplify right side
    89,621.16x = 3,099,415,484.29
  5. Step 5: Solve for x
    x = 3,099,415,484.29/89,621.16
  6. Step 6: Final answer
    x = 34,583.52

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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.