Home / 115,775.34-173,663.13-36,889.50

Finding the Fourth Proportional to 115,775.34, 173,663.13 and 36,889.50

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Solution

The fourth proportional to 115,775.34, 173,663.13 and 36,889.50 is: 55,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,775.34 : 173,663.13 = 36,889.50 : x
  2. Step 2: Convert to fraction form
    115,775.34/173,663.13 = 36,889.50/x
  3. Step 3: Cross multiply
    115,775.34x = 173,663.13 × 36,889.50
  4. Step 4: Simplify right side
    115,775.34x = 6,406,346,034.14
  5. Step 5: Solve for x
    x = 6,406,346,034.14/115,775.34
  6. Step 6: Final answer
    x = 55,334.29

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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.