Home / 89,826.40-134,751.60-30,647.20

Finding the Fourth Proportional to 89,826.40, 134,751.60 and 30,647.20

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Solution

The fourth proportional to 89,826.40, 134,751.60 and 30,647.20 is: 45,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,826.40 : 134,751.60 = 30,647.20 : x
  2. Step 2: Convert to fraction form
    89,826.40/134,751.60 = 30,647.20/x
  3. Step 3: Cross multiply
    89,826.40x = 134,751.60 × 30,647.20
  4. Step 4: Simplify right side
    89,826.40x = 4,129,759,235.52
  5. Step 5: Solve for x
    x = 4,129,759,235.52/89,826.40
  6. Step 6: Final answer
    x = 45,974.89

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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.