Home / 74,150.50-110,967.20-60,667.68

Finding the Fourth Proportional to 74,150.50, 110,967.20 and 60,667.68

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Solution

The fourth proportional to 74,150.50, 110,967.20 and 60,667.68 is: 90,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.50 : 110,967.20 = 60,667.68 : x
  2. Step 2: Convert to fraction form
    74,150.50/110,967.20 = 60,667.68/x
  3. Step 3: Cross multiply
    74,150.50x = 110,967.20 × 60,667.68
  4. Step 4: Simplify right side
    74,150.50x = 6,732,122,580.10
  5. Step 5: Solve for x
    x = 6,732,122,580.10/74,150.50
  6. Step 6: Final answer
    x = 90,789.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.