Home / 69,638.27-95,885.63-54,386.42

Finding the Fourth Proportional to 69,638.27, 95,885.63 and 54,386.42

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Solution

The fourth proportional to 69,638.27, 95,885.63 and 54,386.42 is: 74,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,638.27 : 95,885.63 = 54,386.42 : x
  2. Step 2: Convert to fraction form
    69,638.27/95,885.63 = 54,386.42/x
  3. Step 3: Cross multiply
    69,638.27x = 95,885.63 × 54,386.42
  4. Step 4: Simplify right side
    69,638.27x = 5,214,875,996.48
  5. Step 5: Solve for x
    x = 5,214,875,996.48/69,638.27
  6. Step 6: Final answer
    x = 74,885.21

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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.