Home / 93,110.44-128,506.25-54,857.76

Finding the Fourth Proportional to 93,110.44, 128,506.25 and 54,857.76

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Solution

The fourth proportional to 93,110.44, 128,506.25 and 54,857.76 is: 75,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,110.44 : 128,506.25 = 54,857.76 : x
  2. Step 2: Convert to fraction form
    93,110.44/128,506.25 = 54,857.76/x
  3. Step 3: Cross multiply
    93,110.44x = 128,506.25 × 54,857.76
  4. Step 4: Simplify right side
    93,110.44x = 7,049,565,342.27
  5. Step 5: Solve for x
    x = 7,049,565,342.27/93,110.44
  6. Step 6: Final answer
    x = 75,711.87

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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.