Home / 93,005.80-128,346.60-50,563.96

Finding the Fourth Proportional to 93,005.80, 128,346.60 and 50,563.96

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Solution

The fourth proportional to 93,005.80, 128,346.60 and 50,563.96 is: 69,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,005.80 : 128,346.60 = 50,563.96 : x
  2. Step 2: Convert to fraction form
    93,005.80/128,346.60 = 50,563.96/x
  3. Step 3: Cross multiply
    93,005.80x = 128,346.60 × 50,563.96
  4. Step 4: Simplify right side
    93,005.80x = 6,489,712,348.54
  5. Step 5: Solve for x
    x = 6,489,712,348.54/93,005.80
  6. Step 6: Final answer
    x = 69,777.50

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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.