Home / 107,739.65-148,609.48-67,383.35

Finding the Fourth Proportional to 107,739.65, 148,609.48 and 67,383.35

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Solution

The fourth proportional to 107,739.65, 148,609.48 and 67,383.35 is: 92,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.65 : 148,609.48 = 67,383.35 : x
  2. Step 2: Convert to fraction form
    107,739.65/148,609.48 = 67,383.35/x
  3. Step 3: Cross multiply
    107,739.65x = 148,609.48 × 67,383.35
  4. Step 4: Simplify right side
    107,739.65x = 10,013,804,753.20
  5. Step 5: Solve for x
    x = 10,013,804,753.20/107,739.65
  6. Step 6: Final answer
    x = 92,944.47

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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.