Home / 75,341.40-112,940.10-27,943.80

Finding the Fourth Proportional to 75,341.40, 112,940.10 and 27,943.80

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Solution

The fourth proportional to 75,341.40, 112,940.10 and 27,943.80 is: 41,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341.40 : 112,940.10 = 27,943.80 : x
  2. Step 2: Convert to fraction form
    75,341.40/112,940.10 = 27,943.80/x
  3. Step 3: Cross multiply
    75,341.40x = 112,940.10 × 27,943.80
  4. Step 4: Simplify right side
    75,341.40x = 3,155,975,566.38
  5. Step 5: Solve for x
    x = 3,155,975,566.38/75,341.40
  6. Step 6: Final answer
    x = 41,889.00

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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.