Home / 93,160.45-128,557.56-50,718.88

Finding the Fourth Proportional to 93,160.45, 128,557.56 and 50,718.88

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Solution

The fourth proportional to 93,160.45, 128,557.56 and 50,718.88 is: 69,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,160.45 : 128,557.56 = 50,718.88 : x
  2. Step 2: Convert to fraction form
    93,160.45/128,557.56 = 50,718.88/x
  3. Step 3: Cross multiply
    93,160.45x = 128,557.56 × 50,718.88
  4. Step 4: Simplify right side
    93,160.45x = 6,520,295,458.73
  5. Step 5: Solve for x
    x = 6,520,295,458.73/93,160.45
  6. Step 6: Final answer
    x = 69,989.95

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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.