Home / 117,065.40-175,580.28-38,179.50

Finding the Fourth Proportional to 117,065.40, 175,580.28 and 38,179.50

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Solution

The fourth proportional to 117,065.40, 175,580.28 and 38,179.50 is: 57,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,065.40 : 175,580.28 = 38,179.50 : x
  2. Step 2: Convert to fraction form
    117,065.40/175,580.28 = 38,179.50/x
  3. Step 3: Cross multiply
    117,065.40x = 175,580.28 × 38,179.50
  4. Step 4: Simplify right side
    117,065.40x = 6,703,567,300.26
  5. Step 5: Solve for x
    x = 6,703,567,300.26/117,065.40
  6. Step 6: Final answer
    x = 57,263.44

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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.