Home / 68,281.25-94,228.53-38,068.47

Finding the Fourth Proportional to 68,281.25, 94,228.53 and 38,068.47

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Solution

The fourth proportional to 68,281.25, 94,228.53 and 38,068.47 is: 52,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,281.25 : 94,228.53 = 38,068.47 : x
  2. Step 2: Convert to fraction form
    68,281.25/94,228.53 = 38,068.47/x
  3. Step 3: Cross multiply
    68,281.25x = 94,228.53 × 38,068.47
  4. Step 4: Simplify right side
    68,281.25x = 3,587,135,777.11
  5. Step 5: Solve for x
    x = 3,587,135,777.11/68,281.25
  6. Step 6: Final answer
    x = 52,534.71

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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.