Home / 68,339.14-94,312.38-38,129.02

Finding the Fourth Proportional to 68,339.14, 94,312.38 and 38,129.02

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Solution

The fourth proportional to 68,339.14, 94,312.38 and 38,129.02 is: 52,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,339.14 : 94,312.38 = 38,129.02 : x
  2. Step 2: Convert to fraction form
    68,339.14/94,312.38 = 38,129.02/x
  3. Step 3: Cross multiply
    68,339.14x = 94,312.38 × 38,129.02
  4. Step 4: Simplify right side
    68,339.14x = 3,596,038,623.27
  5. Step 5: Solve for x
    x = 3,596,038,623.27/68,339.14
  6. Step 6: Final answer
    x = 52,620.48

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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.