Home / 93,372.68-128,856.10-50,932.76

Finding the Fourth Proportional to 93,372.68, 128,856.10 and 50,932.76

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Solution

The fourth proportional to 93,372.68, 128,856.10 and 50,932.76 is: 70,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,372.68 : 128,856.10 = 50,932.76 : x
  2. Step 2: Convert to fraction form
    93,372.68/128,856.10 = 50,932.76/x
  3. Step 3: Cross multiply
    93,372.68x = 128,856.10 × 50,932.76
  4. Step 4: Simplify right side
    93,372.68x = 6,562,996,815.84
  5. Step 5: Solve for x
    x = 6,562,996,815.84/93,372.68
  6. Step 6: Final answer
    x = 70,288.19

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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.