Home / 93,451.05-128,961.59-57,626.73

Finding the Fourth Proportional to 93,451.05, 128,961.59 and 57,626.73

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Solution

The fourth proportional to 93,451.05, 128,961.59 and 57,626.73 is: 79,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,451.05 : 128,961.59 = 57,626.73 : x
  2. Step 2: Convert to fraction form
    93,451.05/128,961.59 = 57,626.73/x
  3. Step 3: Cross multiply
    93,451.05x = 128,961.59 × 57,626.73
  4. Step 4: Simplify right side
    93,451.05x = 7,431,634,439.17
  5. Step 5: Solve for x
    x = 7,431,634,439.17/93,451.05
  6. Step 6: Final answer
    x = 79,524.35

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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.