Home / 93,416.60-128,916.78-50,976.92

Finding the Fourth Proportional to 93,416.60, 128,916.78 and 50,976.92

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Solution

The fourth proportional to 93,416.60, 128,916.78 and 50,976.92 is: 70,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,416.60 : 128,916.78 = 50,976.92 : x
  2. Step 2: Convert to fraction form
    93,416.60/128,916.78 = 50,976.92/x
  3. Step 3: Cross multiply
    93,416.60x = 128,916.78 × 50,976.92
  4. Step 4: Simplify right side
    93,416.60x = 6,571,780,380.72
  5. Step 5: Solve for x
    x = 6,571,780,380.72/93,416.60
  6. Step 6: Final answer
    x = 70,349.17

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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.