Home / 71,781.66-99,094.62-55,612.92

Finding the Fourth Proportional to 71,781.66, 99,094.62 and 55,612.92

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Solution

The fourth proportional to 71,781.66, 99,094.62 and 55,612.92 is: 76,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,781.66 : 99,094.62 = 55,612.92 : x
  2. Step 2: Convert to fraction form
    71,781.66/99,094.62 = 55,612.92/x
  3. Step 3: Cross multiply
    71,781.66x = 99,094.62 × 55,612.92
  4. Step 4: Simplify right side
    71,781.66x = 5,510,941,174.49
  5. Step 5: Solve for x
    x = 5,510,941,174.49/71,781.66
  6. Step 6: Final answer
    x = 76,773.67

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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.