Home / 79,763.28-110,075.64-43,955.60

Finding the Fourth Proportional to 79,763.28, 110,075.64 and 43,955.60

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Solution

The fourth proportional to 79,763.28, 110,075.64 and 43,955.60 is: 60,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.28 : 110,075.64 = 43,955.60 : x
  2. Step 2: Convert to fraction form
    79,763.28/110,075.64 = 43,955.60/x
  3. Step 3: Cross multiply
    79,763.28x = 110,075.64 × 43,955.60
  4. Step 4: Simplify right side
    79,763.28x = 4,838,440,251.21
  5. Step 5: Solve for x
    x = 4,838,440,251.21/79,763.28
  6. Step 6: Final answer
    x = 60,660.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.