Home / 93,845.72-129,509.18-53,558.68

Finding the Fourth Proportional to 93,845.72, 129,509.18 and 53,558.68

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Solution

The fourth proportional to 93,845.72, 129,509.18 and 53,558.68 is: 73,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,845.72 : 129,509.18 = 53,558.68 : x
  2. Step 2: Convert to fraction form
    93,845.72/129,509.18 = 53,558.68/x
  3. Step 3: Cross multiply
    93,845.72x = 129,509.18 × 53,558.68
  4. Step 4: Simplify right side
    93,845.72x = 6,936,340,728.68
  5. Step 5: Solve for x
    x = 6,936,340,728.68/93,845.72
  6. Step 6: Final answer
    x = 73,912.17

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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.