Home / 74,832.71-111,587.45-74,165.67

Finding the Fourth Proportional to 74,832.71, 111,587.45 and 74,165.67

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Solution

The fourth proportional to 74,832.71, 111,587.45 and 74,165.67 is: 110,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,832.71 : 111,587.45 = 74,165.67 : x
  2. Step 2: Convert to fraction form
    74,832.71/111,587.45 = 74,165.67/x
  3. Step 3: Cross multiply
    74,832.71x = 111,587.45 × 74,165.67
  4. Step 4: Simplify right side
    74,832.71x = 8,275,957,992.84
  5. Step 5: Solve for x
    x = 8,275,957,992.84/74,832.71
  6. Step 6: Final answer
    x = 110,592.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.