Home / 93,639.76-129,222.92-51,198.64

Finding the Fourth Proportional to 93,639.76, 129,222.92 and 51,198.64

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Solution

The fourth proportional to 93,639.76, 129,222.92 and 51,198.64 is: 70,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,639.76 : 129,222.92 = 51,198.64 : x
  2. Step 2: Convert to fraction form
    93,639.76/129,222.92 = 51,198.64/x
  3. Step 3: Cross multiply
    93,639.76x = 129,222.92 × 51,198.64
  4. Step 4: Simplify right side
    93,639.76x = 6,616,037,760.83
  5. Step 5: Solve for x
    x = 6,616,037,760.83/93,639.76
  6. Step 6: Final answer
    x = 70,654.15

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1.5x scale

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.