Home / 68,701.64-94,806.61-38,488.23

Finding the Fourth Proportional to 68,701.64, 94,806.61 and 38,488.23

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Solution

The fourth proportional to 68,701.64, 94,806.61 and 38,488.23 is: 53,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,701.64 : 94,806.61 = 38,488.23 : x
  2. Step 2: Convert to fraction form
    68,701.64/94,806.61 = 38,488.23/x
  3. Step 3: Cross multiply
    68,701.64x = 94,806.61 × 38,488.23
  4. Step 4: Simplify right side
    68,701.64x = 3,648,938,611.20
  5. Step 5: Solve for x
    x = 3,648,938,611.20/68,701.64
  6. Step 6: Final answer
    x = 53,112.83

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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.