Home / 68,777.10-94,916.97-38,564.42

Finding the Fourth Proportional to 68,777.10, 94,916.97 and 38,564.42

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Solution

The fourth proportional to 68,777.10, 94,916.97 and 38,564.42 is: 53,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,777.10 : 94,916.97 = 38,564.42 : x
  2. Step 2: Convert to fraction form
    68,777.10/94,916.97 = 38,564.42/x
  3. Step 3: Cross multiply
    68,777.10x = 94,916.97 × 38,564.42
  4. Step 4: Simplify right side
    68,777.10x = 3,660,417,421.62
  5. Step 5: Solve for x
    x = 3,660,417,421.62/68,777.10
  6. Step 6: Final answer
    x = 53,221.46

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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.