Home / 89,884.63-134,783.20-47,784.88

Finding the Fourth Proportional to 89,884.63, 134,783.20 and 47,784.88

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Solution

The fourth proportional to 89,884.63, 134,783.20 and 47,784.88 is: 71,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,884.63 : 134,783.20 = 47,784.88 : x
  2. Step 2: Convert to fraction form
    89,884.63/134,783.20 = 47,784.88/x
  3. Step 3: Cross multiply
    89,884.63x = 134,783.20 × 47,784.88
  4. Step 4: Simplify right side
    89,884.63x = 6,440,598,581.60
  5. Step 5: Solve for x
    x = 6,440,598,581.60/89,884.63
  6. Step 6: Final answer
    x = 71,654.06

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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.