Home / 93,180.80-128,591.04-50,740.16

Finding the Fourth Proportional to 93,180.80, 128,591.04 and 50,740.16

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Solution

The fourth proportional to 93,180.80, 128,591.04 and 50,740.16 is: 70,022.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,180.80 : 128,591.04 = 50,740.16 : x
  2. Step 2: Convert to fraction form
    93,180.80/128,591.04 = 50,740.16/x
  3. Step 3: Cross multiply
    93,180.80x = 128,591.04 × 50,740.16
  4. Step 4: Simplify right side
    93,180.80x = 6,524,729,944.17
  5. Step 5: Solve for x
    x = 6,524,729,944.17/93,180.80
  6. Step 6: Final answer
    x = 70,022.26

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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.