Home / 107,688.16-148,609.67-59,940.49

Finding the Fourth Proportional to 107,688.16, 148,609.67 and 59,940.49

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Solution

The fourth proportional to 107,688.16, 148,609.67 and 59,940.49 is: 82,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,688.16 : 148,609.67 = 59,940.49 : x
  2. Step 2: Convert to fraction form
    107,688.16/148,609.67 = 59,940.49/x
  3. Step 3: Cross multiply
    107,688.16x = 148,609.67 × 59,940.49
  4. Step 4: Simplify right side
    107,688.16x = 8,907,736,438.54
  5. Step 5: Solve for x
    x = 8,907,736,438.54/107,688.16
  6. Step 6: Final answer
    x = 82,717.88

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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.