Home / 93,435.40-128,940.96-50,993.93

Finding the Fourth Proportional to 93,435.40, 128,940.96 and 50,993.93

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Solution

The fourth proportional to 93,435.40, 128,940.96 and 50,993.93 is: 70,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,435.40 : 128,940.96 = 50,993.93 : x
  2. Step 2: Convert to fraction form
    93,435.40/128,940.96 = 50,993.93/x
  3. Step 3: Cross multiply
    93,435.40x = 128,940.96 × 50,993.93
  4. Step 4: Simplify right side
    93,435.40x = 6,575,206,439.31
  5. Step 5: Solve for x
    x = 6,575,206,439.31/93,435.40
  6. Step 6: Final answer
    x = 70,371.69

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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.