Home / 54,623.19-75,380.12-30,423.95

Finding the Fourth Proportional to 54,623.19, 75,380.12 and 30,423.95

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Solution

The fourth proportional to 54,623.19, 75,380.12 and 30,423.95 is: 41,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.19 : 75,380.12 = 30,423.95 : x
  2. Step 2: Convert to fraction form
    54,623.19/75,380.12 = 30,423.95/x
  3. Step 3: Cross multiply
    54,623.19x = 75,380.12 × 30,423.95
  4. Step 4: Simplify right side
    54,623.19x = 2,293,361,293.63
  5. Step 5: Solve for x
    x = 2,293,361,293.63/54,623.19
  6. Step 6: Final answer
    x = 41,985.13

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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.