Home / 68,130.04-94,019.38-38,322.04

Finding the Fourth Proportional to 68,130.04, 94,019.38 and 38,322.04

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Solution

The fourth proportional to 68,130.04, 94,019.38 and 38,322.04 is: 52,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,130.04 : 94,019.38 = 38,322.04 : x
  2. Step 2: Convert to fraction form
    68,130.04/94,019.38 = 38,322.04/x
  3. Step 3: Cross multiply
    68,130.04x = 94,019.38 × 38,322.04
  4. Step 4: Simplify right side
    68,130.04x = 3,603,014,441.14
  5. Step 5: Solve for x
    x = 3,603,014,441.14/68,130.04
  6. Step 6: Final answer
    x = 52,884.37

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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.