Home / 74,390.46-111,544.62-38,762.83

Finding the Fourth Proportional to 74,390.46, 111,544.62 and 38,762.83

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Solution

The fourth proportional to 74,390.46, 111,544.62 and 38,762.83 is: 58,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,390.46 : 111,544.62 = 38,762.83 : x
  2. Step 2: Convert to fraction form
    74,390.46/111,544.62 = 38,762.83/x
  3. Step 3: Cross multiply
    74,390.46x = 111,544.62 × 38,762.83
  4. Step 4: Simplify right side
    74,390.46x = 4,323,785,142.47
  5. Step 5: Solve for x
    x = 4,323,785,142.47/74,390.46
  6. Step 6: Final answer
    x = 58,122.84

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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.