Home / 68,130.72-94,033.44-38,322.72

Finding the Fourth Proportional to 68,130.72, 94,033.44 and 38,322.72

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Solution

The fourth proportional to 68,130.72, 94,033.44 and 38,322.72 is: 52,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,130.72 : 94,033.44 = 38,322.72 : x
  2. Step 2: Convert to fraction form
    68,130.72/94,033.44 = 38,322.72/x
  3. Step 3: Cross multiply
    68,130.72x = 94,033.44 × 38,322.72
  4. Step 4: Simplify right side
    68,130.72x = 3,603,617,191.76
  5. Step 5: Solve for x
    x = 3,603,617,191.76/68,130.72
  6. Step 6: Final answer
    x = 52,892.69

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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.