Home / 93,138.14-128,527.07-52,849.50

Finding the Fourth Proportional to 93,138.14, 128,527.07 and 52,849.50

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Solution

The fourth proportional to 93,138.14, 128,527.07 and 52,849.50 is: 72,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,138.14 : 128,527.07 = 52,849.50 : x
  2. Step 2: Convert to fraction form
    93,138.14/128,527.07 = 52,849.50/x
  3. Step 3: Cross multiply
    93,138.14x = 128,527.07 × 52,849.50
  4. Step 4: Simplify right side
    93,138.14x = 6,792,591,121.72
  5. Step 5: Solve for x
    x = 6,792,591,121.72/93,138.14
  6. Step 6: Final answer
    x = 72,930.29

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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.