Home / 74,533.21-111,799.82-51,088.57

Finding the Fourth Proportional to 74,533.21, 111,799.82 and 51,088.57

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Solution

The fourth proportional to 74,533.21, 111,799.82 and 51,088.57 is: 76,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,533.21 : 111,799.82 = 51,088.57 : x
  2. Step 2: Convert to fraction form
    74,533.21/111,799.82 = 51,088.57/x
  3. Step 3: Cross multiply
    74,533.21x = 111,799.82 × 51,088.57
  4. Step 4: Simplify right side
    74,533.21x = 5,711,692,674.61
  5. Step 5: Solve for x
    x = 5,711,692,674.61/74,533.21
  6. Step 6: Final answer
    x = 76,632.86

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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.