Home / 89,976.44-124,051.02-61,631.48

Finding the Fourth Proportional to 89,976.44, 124,051.02 and 61,631.48

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Solution

The fourth proportional to 89,976.44, 124,051.02 and 61,631.48 is: 84,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,976.44 : 124,051.02 = 61,631.48 : x
  2. Step 2: Convert to fraction form
    89,976.44/124,051.02 = 61,631.48/x
  3. Step 3: Cross multiply
    89,976.44x = 124,051.02 × 61,631.48
  4. Step 4: Simplify right side
    89,976.44x = 7,645,447,958.11
  5. Step 5: Solve for x
    x = 7,645,447,958.11/89,976.44
  6. Step 6: Final answer
    x = 84,971.67

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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.