Home / 116,770.36-175,139.67-45,643.50

Finding the Fourth Proportional to 116,770.36, 175,139.67 and 45,643.50

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Solution

The fourth proportional to 116,770.36, 175,139.67 and 45,643.50 is: 68,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,770.36 : 175,139.67 = 45,643.50 : x
  2. Step 2: Convert to fraction form
    116,770.36/175,139.67 = 45,643.50/x
  3. Step 3: Cross multiply
    116,770.36x = 175,139.67 × 45,643.50
  4. Step 4: Simplify right side
    116,770.36x = 7,993,987,442.06
  5. Step 5: Solve for x
    x = 7,993,987,442.06/116,770.36
  6. Step 6: Final answer
    x = 68,459.05

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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.