Home / 94,389.15-141,605.64-31,205.46

Finding the Fourth Proportional to 94,389.15, 141,605.64 and 31,205.46

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Solution

The fourth proportional to 94,389.15, 141,605.64 and 31,205.46 is: 46,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,389.15 : 141,605.64 = 31,205.46 : x
  2. Step 2: Convert to fraction form
    94,389.15/141,605.64 = 31,205.46/x
  3. Step 3: Cross multiply
    94,389.15x = 141,605.64 × 31,205.46
  4. Step 4: Simplify right side
    94,389.15x = 4,418,869,134.79
  5. Step 5: Solve for x
    x = 4,418,869,134.79/94,389.15
  6. Step 6: Final answer
    x = 46,815.44

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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.