Home / 68,723.16-103,021.30-47,673.13

Finding the Fourth Proportional to 68,723.16, 103,021.30 and 47,673.13

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Solution

The fourth proportional to 68,723.16, 103,021.30 and 47,673.13 is: 71,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.16 : 103,021.30 = 47,673.13 : x
  2. Step 2: Convert to fraction form
    68,723.16/103,021.30 = 47,673.13/x
  3. Step 3: Cross multiply
    68,723.16x = 103,021.30 × 47,673.13
  4. Step 4: Simplify right side
    68,723.16x = 4,911,347,827.67
  5. Step 5: Solve for x
    x = 4,911,347,827.67/68,723.16
  6. Step 6: Final answer
    x = 71,465.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.