Home / 109,213.61-163,831.59-41,802.28

Finding the Fourth Proportional to 109,213.61, 163,831.59 and 41,802.28

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Solution

The fourth proportional to 109,213.61, 163,831.59 and 41,802.28 is: 62,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,213.61 : 163,831.59 = 41,802.28 : x
  2. Step 2: Convert to fraction form
    109,213.61/163,831.59 = 41,802.28/x
  3. Step 3: Cross multiply
    109,213.61x = 163,831.59 × 41,802.28
  4. Step 4: Simplify right side
    109,213.61x = 6,848,533,692.95
  5. Step 5: Solve for x
    x = 6,848,533,692.95/109,213.61
  6. Step 6: Final answer
    x = 62,707.69

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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.