Home / 93,140.49-128,534.67-50,698.92

Finding the Fourth Proportional to 93,140.49, 128,534.67 and 50,698.92

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Solution

The fourth proportional to 93,140.49, 128,534.67 and 50,698.92 is: 69,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.49 : 128,534.67 = 50,698.92 : x
  2. Step 2: Convert to fraction form
    93,140.49/128,534.67 = 50,698.92/x
  3. Step 3: Cross multiply
    93,140.49x = 128,534.67 × 50,698.92
  4. Step 4: Simplify right side
    93,140.49x = 6,516,568,951.56
  5. Step 5: Solve for x
    x = 6,516,568,951.56/93,140.49
  6. Step 6: Final answer
    x = 69,964.94

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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.