Home / 93,519.18-129,056.52-51,077.88

Finding the Fourth Proportional to 93,519.18, 129,056.52 and 51,077.88

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Solution

The fourth proportional to 93,519.18, 129,056.52 and 51,077.88 is: 70,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,519.18 : 129,056.52 = 51,077.88 : x
  2. Step 2: Convert to fraction form
    93,519.18/129,056.52 = 51,077.88/x
  3. Step 3: Cross multiply
    93,519.18x = 129,056.52 × 51,077.88
  4. Step 4: Simplify right side
    93,519.18x = 6,591,933,441.78
  5. Step 5: Solve for x
    x = 6,591,933,441.78/93,519.18
  6. Step 6: Final answer
    x = 70,487.50

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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.