Home / 93,063.06-128,426.45-50,621.76

Finding the Fourth Proportional to 93,063.06, 128,426.45 and 50,621.76

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Solution

The fourth proportional to 93,063.06, 128,426.45 and 50,621.76 is: 69,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,063.06 : 128,426.45 = 50,621.76 : x
  2. Step 2: Convert to fraction form
    93,063.06/128,426.45 = 50,621.76/x
  3. Step 3: Cross multiply
    93,063.06x = 128,426.45 × 50,621.76
  4. Step 4: Simplify right side
    93,063.06x = 6,501,172,676.44
  5. Step 5: Solve for x
    x = 6,501,172,676.44/93,063.06
  6. Step 6: Final answer
    x = 69,857.71

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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.