Home / 89,819.40-134,583.30-56,479.80

Finding the Fourth Proportional to 89,819.40, 134,583.30 and 56,479.80

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Solution

The fourth proportional to 89,819.40, 134,583.30 and 56,479.80 is: 84,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,819.40 : 134,583.30 = 56,479.80 : x
  2. Step 2: Convert to fraction form
    89,819.40/134,583.30 = 56,479.80/x
  3. Step 3: Cross multiply
    89,819.40x = 134,583.30 × 56,479.80
  4. Step 4: Simplify right side
    89,819.40x = 7,601,237,867.34
  5. Step 5: Solve for x
    x = 7,601,237,867.34/89,819.40
  6. Step 6: Final answer
    x = 84,628.02

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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.