Home / 93,380.04-128,864.52-50,940.90

Finding the Fourth Proportional to 93,380.04, 128,864.52 and 50,940.90

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Solution

The fourth proportional to 93,380.04, 128,864.52 and 50,940.90 is: 70,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.04 : 128,864.52 = 50,940.90 : x
  2. Step 2: Convert to fraction form
    93,380.04/128,864.52 = 50,940.90/x
  3. Step 3: Cross multiply
    93,380.04x = 128,864.52 × 50,940.90
  4. Step 4: Simplify right side
    93,380.04x = 6,564,474,626.87
  5. Step 5: Solve for x
    x = 6,564,474,626.87/93,380.04
  6. Step 6: Final answer
    x = 70,298.48

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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.