Home / 109,353.39-163,792.73-53,075.22

Finding the Fourth Proportional to 109,353.39, 163,792.73 and 53,075.22

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Solution

The fourth proportional to 109,353.39, 163,792.73 and 53,075.22 is: 79,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,353.39 : 163,792.73 = 53,075.22 : x
  2. Step 2: Convert to fraction form
    109,353.39/163,792.73 = 53,075.22/x
  3. Step 3: Cross multiply
    109,353.39x = 163,792.73 × 53,075.22
  4. Step 4: Simplify right side
    109,353.39x = 8,693,334,913.77
  5. Step 5: Solve for x
    x = 8,693,334,913.77/109,353.39
  6. Step 6: Final answer
    x = 79,497.63

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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.