Home / 79,522.36-109,718.76-52,656.28

Finding the Fourth Proportional to 79,522.36, 109,718.76 and 52,656.28

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Solution

The fourth proportional to 79,522.36, 109,718.76 and 52,656.28 is: 72,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,522.36 : 109,718.76 = 52,656.28 : x
  2. Step 2: Convert to fraction form
    79,522.36/109,718.76 = 52,656.28/x
  3. Step 3: Cross multiply
    79,522.36x = 109,718.76 × 52,656.28
  4. Step 4: Simplify right side
    79,522.36x = 5,777,381,747.81
  5. Step 5: Solve for x
    x = 5,777,381,747.81/79,522.36
  6. Step 6: Final answer
    x = 72,651.03

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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.