Home / 93,263.04-128,703-50,821.56

Finding the Fourth Proportional to 93,263.04, 128,703 and 50,821.56

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Solution

The fourth proportional to 93,263.04, 128,703 and 50,821.56 is: 70,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,263.04 : 128,703 = 50,821.56 : x
  2. Step 2: Convert to fraction form
    93,263.04/128,703 = 50,821.56/x
  3. Step 3: Cross multiply
    93,263.04x = 128,703 × 50,821.56
  4. Step 4: Simplify right side
    93,263.04x = 6,540,887,236.68
  5. Step 5: Solve for x
    x = 6,540,887,236.68/93,263.04
  6. Step 6: Final answer
    x = 70,133.76

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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.