Home / 93,711.88-129,325.50-51,270.43

Finding the Fourth Proportional to 93,711.88, 129,325.50 and 51,270.43

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Solution

The fourth proportional to 93,711.88, 129,325.50 and 51,270.43 is: 70,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,711.88 : 129,325.50 = 51,270.43 : x
  2. Step 2: Convert to fraction form
    93,711.88/129,325.50 = 51,270.43/x
  3. Step 3: Cross multiply
    93,711.88x = 129,325.50 × 51,270.43
  4. Step 4: Simplify right side
    93,711.88x = 6,630,573,994.97
  5. Step 5: Solve for x
    x = 6,630,573,994.97/93,711.88
  6. Step 6: Final answer
    x = 70,754.89

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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.