Home / 80,258.86-110,775.66-53,402.50

Finding the Fourth Proportional to 80,258.86, 110,775.66 and 53,402.50

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Solution

The fourth proportional to 80,258.86, 110,775.66 and 53,402.50 is: 73,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,258.86 : 110,775.66 = 53,402.50 : x
  2. Step 2: Convert to fraction form
    80,258.86/110,775.66 = 53,402.50/x
  3. Step 3: Cross multiply
    80,258.86x = 110,775.66 × 53,402.50
  4. Step 4: Simplify right side
    80,258.86x = 5,915,697,183.15
  5. Step 5: Solve for x
    x = 5,915,697,183.15/80,258.86
  6. Step 6: Final answer
    x = 73,707.72

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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.