Home / 82,989.76-114,522.40-45,261.76

Finding the Fourth Proportional to 82,989.76, 114,522.40 and 45,261.76

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Solution

The fourth proportional to 82,989.76, 114,522.40 and 45,261.76 is: 62,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,989.76 : 114,522.40 = 45,261.76 : x
  2. Step 2: Convert to fraction form
    82,989.76/114,522.40 = 45,261.76/x
  3. Step 3: Cross multiply
    82,989.76x = 114,522.40 × 45,261.76
  4. Step 4: Simplify right side
    82,989.76x = 5,183,485,383.42
  5. Step 5: Solve for x
    x = 5,183,485,383.42/82,989.76
  6. Step 6: Final answer
    x = 62,459.34

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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.