Home / 68,531.25-94,573.13-38,723.25

Finding the Fourth Proportional to 68,531.25, 94,573.13 and 38,723.25

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Solution

The fourth proportional to 68,531.25, 94,573.13 and 38,723.25 is: 53,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,531.25 : 94,573.13 = 38,723.25 : x
  2. Step 2: Convert to fraction form
    68,531.25/94,573.13 = 38,723.25/x
  3. Step 3: Cross multiply
    68,531.25x = 94,573.13 × 38,723.25
  4. Step 4: Simplify right side
    68,531.25x = 3,662,178,762.66
  5. Step 5: Solve for x
    x = 3,662,178,762.66/68,531.25
  6. Step 6: Final answer
    x = 53,438.09

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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.