Home / 93,286.46-128,735.36-53,000.29

Finding the Fourth Proportional to 93,286.46, 128,735.36 and 53,000.29

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Solution

The fourth proportional to 93,286.46, 128,735.36 and 53,000.29 is: 73,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,286.46 : 128,735.36 = 53,000.29 : x
  2. Step 2: Convert to fraction form
    93,286.46/128,735.36 = 53,000.29/x
  3. Step 3: Cross multiply
    93,286.46x = 128,735.36 × 53,000.29
  4. Step 4: Simplify right side
    93,286.46x = 6,823,011,413.25
  5. Step 5: Solve for x
    x = 6,823,011,413.25/93,286.46
  6. Step 6: Final answer
    x = 73,140.43

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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.