Home / 117,109.76-175,692.63-38,224.13

Finding the Fourth Proportional to 117,109.76, 175,692.63 and 38,224.13

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Solution

The fourth proportional to 117,109.76, 175,692.63 and 38,224.13 is: 57,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,109.76 : 175,692.63 = 38,224.13 : x
  2. Step 2: Convert to fraction form
    117,109.76/175,692.63 = 38,224.13/x
  3. Step 3: Cross multiply
    117,109.76x = 175,692.63 × 38,224.13
  4. Step 4: Simplify right side
    117,109.76x = 6,715,697,929.16
  5. Step 5: Solve for x
    x = 6,715,697,929.16/117,109.76
  6. Step 6: Final answer
    x = 57,345.33

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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.