Home / 93,709.76-129,321.36-51,269.20

Finding the Fourth Proportional to 93,709.76, 129,321.36 and 51,269.20

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Solution

The fourth proportional to 93,709.76, 129,321.36 and 51,269.20 is: 70,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,709.76 : 129,321.36 = 51,269.20 : x
  2. Step 2: Convert to fraction form
    93,709.76/129,321.36 = 51,269.20/x
  3. Step 3: Cross multiply
    93,709.76x = 129,321.36 × 51,269.20
  4. Step 4: Simplify right side
    93,709.76x = 6,630,202,346.81
  5. Step 5: Solve for x
    x = 6,630,202,346.81/93,709.76
  6. Step 6: Final answer
    x = 70,752.53

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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.