Home / 93,180.45-128,585.16-50,738.88

Finding the Fourth Proportional to 93,180.45, 128,585.16 and 50,738.88

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Solution

The fourth proportional to 93,180.45, 128,585.16 and 50,738.88 is: 70,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,180.45 : 128,585.16 = 50,738.88 : x
  2. Step 2: Convert to fraction form
    93,180.45/128,585.16 = 50,738.88/x
  3. Step 3: Cross multiply
    93,180.45x = 128,585.16 × 50,738.88
  4. Step 4: Simplify right side
    93,180.45x = 6,524,267,003.02
  5. Step 5: Solve for x
    x = 6,524,267,003.02/93,180.45
  6. Step 6: Final answer
    x = 70,017.55

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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.