Home / 89,830.44-123,987.66-54,013.52

Finding the Fourth Proportional to 89,830.44, 123,987.66 and 54,013.52

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Solution

The fourth proportional to 89,830.44, 123,987.66 and 54,013.52 is: 74,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830.44 : 123,987.66 = 54,013.52 : x
  2. Step 2: Convert to fraction form
    89,830.44/123,987.66 = 54,013.52/x
  3. Step 3: Cross multiply
    89,830.44x = 123,987.66 × 54,013.52
  4. Step 4: Simplify right side
    89,830.44x = 6,697,009,333.22
  5. Step 5: Solve for x
    x = 6,697,009,333.22/89,830.44
  6. Step 6: Final answer
    x = 74,551.67

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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.