Home / 91,660.82-126,492.44-51,372.63

Finding the Fourth Proportional to 91,660.82, 126,492.44 and 51,372.63

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Solution

The fourth proportional to 91,660.82, 126,492.44 and 51,372.63 is: 70,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,660.82 : 126,492.44 = 51,372.63 : x
  2. Step 2: Convert to fraction form
    91,660.82/126,492.44 = 51,372.63/x
  3. Step 3: Cross multiply
    91,660.82x = 126,492.44 × 51,372.63
  4. Step 4: Simplify right side
    91,660.82x = 6,498,249,061.05
  5. Step 5: Solve for x
    x = 6,498,249,061.05/91,660.82
  6. Step 6: Final answer
    x = 70,894.52

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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.