Home / 93,311.17-128,769.13-50,869.71

Finding the Fourth Proportional to 93,311.17, 128,769.13 and 50,869.71

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Solution

The fourth proportional to 93,311.17, 128,769.13 and 50,869.71 is: 70,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,311.17 : 128,769.13 = 50,869.71 : x
  2. Step 2: Convert to fraction form
    93,311.17/128,769.13 = 50,869.71/x
  3. Step 3: Cross multiply
    93,311.17x = 128,769.13 × 50,869.71
  4. Step 4: Simplify right side
    93,311.17x = 6,550,448,300.05
  5. Step 5: Solve for x
    x = 6,550,448,300.05/93,311.17
  6. Step 6: Final answer
    x = 70,200.04

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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.