Home / 84,521.64-126,719.58-51,233.67

Finding the Fourth Proportional to 84,521.64, 126,719.58 and 51,233.67

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Solution

The fourth proportional to 84,521.64, 126,719.58 and 51,233.67 is: 76,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,521.64 : 126,719.58 = 51,233.67 : x
  2. Step 2: Convert to fraction form
    84,521.64/126,719.58 = 51,233.67/x
  3. Step 3: Cross multiply
    84,521.64x = 126,719.58 × 51,233.67
  4. Step 4: Simplify right side
    84,521.64x = 6,492,309,144.26
  5. Step 5: Solve for x
    x = 6,492,309,144.26/84,521.64
  6. Step 6: Final answer
    x = 76,812.39

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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.