Home / 116,389.05-174,649.87-45,302.49

Finding the Fourth Proportional to 116,389.05, 174,649.87 and 45,302.49

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Solution

The fourth proportional to 116,389.05, 174,649.87 and 45,302.49 is: 67,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,389.05 : 174,649.87 = 45,302.49 : x
  2. Step 2: Convert to fraction form
    116,389.05/174,649.87 = 45,302.49/x
  3. Step 3: Cross multiply
    116,389.05x = 174,649.87 × 45,302.49
  4. Step 4: Simplify right side
    116,389.05x = 7,912,074,045.80
  5. Step 5: Solve for x
    x = 7,912,074,045.80/116,389.05
  6. Step 6: Final answer
    x = 67,979.54

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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.