Home / 68,683.08-94,781.52-38,468.12

Finding the Fourth Proportional to 68,683.08, 94,781.52 and 38,468.12

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Solution

The fourth proportional to 68,683.08, 94,781.52 and 38,468.12 is: 53,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,683.08 : 94,781.52 = 38,468.12 : x
  2. Step 2: Convert to fraction form
    68,683.08/94,781.52 = 38,468.12/x
  3. Step 3: Cross multiply
    68,683.08x = 94,781.52 × 38,468.12
  4. Step 4: Simplify right side
    68,683.08x = 3,646,066,885.14
  5. Step 5: Solve for x
    x = 3,646,066,885.14/68,683.08
  6. Step 6: Final answer
    x = 53,085.37

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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.