Home / 68,291.04-94,247.28-38,072.28

Finding the Fourth Proportional to 68,291.04, 94,247.28 and 38,072.28

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Solution

The fourth proportional to 68,291.04, 94,247.28 and 38,072.28 is: 52,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,291.04 : 94,247.28 = 38,072.28 : x
  2. Step 2: Convert to fraction form
    68,291.04/94,247.28 = 38,072.28/x
  3. Step 3: Cross multiply
    68,291.04x = 94,247.28 × 38,072.28
  4. Step 4: Simplify right side
    68,291.04x = 3,588,208,833.40
  5. Step 5: Solve for x
    x = 3,588,208,833.40/68,291.04
  6. Step 6: Final answer
    x = 52,542.89

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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.