Home / 79,559.03-109,783.95-47,291.06

Finding the Fourth Proportional to 79,559.03, 109,783.95 and 47,291.06

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Solution

The fourth proportional to 79,559.03, 109,783.95 and 47,291.06 is: 65,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,559.03 : 109,783.95 = 47,291.06 : x
  2. Step 2: Convert to fraction form
    79,559.03/109,783.95 = 47,291.06/x
  3. Step 3: Cross multiply
    79,559.03x = 109,783.95 × 47,291.06
  4. Step 4: Simplify right side
    79,559.03x = 5,191,799,366.49
  5. Step 5: Solve for x
    x = 5,191,799,366.49/79,559.03
  6. Step 6: Final answer
    x = 65,257.20

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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.