Home / 93,278.36-128,723.90-50,836.79

Finding the Fourth Proportional to 93,278.36, 128,723.90 and 50,836.79

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Solution

The fourth proportional to 93,278.36, 128,723.90 and 50,836.79 is: 70,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.36 : 128,723.90 = 50,836.79 : x
  2. Step 2: Convert to fraction form
    93,278.36/128,723.90 = 50,836.79/x
  3. Step 3: Cross multiply
    93,278.36x = 128,723.90 × 50,836.79
  4. Step 4: Simplify right side
    93,278.36x = 6,543,908,974.48
  5. Step 5: Solve for x
    x = 6,543,908,974.48/93,278.36
  6. Step 6: Final answer
    x = 70,154.64

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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.