Home / 79,778.24-110,094.40-45,784.02

Finding the Fourth Proportional to 79,778.24, 110,094.40 and 45,784.02

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Solution

The fourth proportional to 79,778.24, 110,094.40 and 45,784.02 is: 63,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778.24 : 110,094.40 = 45,784.02 : x
  2. Step 2: Convert to fraction form
    79,778.24/110,094.40 = 45,784.02/x
  3. Step 3: Cross multiply
    79,778.24x = 110,094.40 × 45,784.02
  4. Step 4: Simplify right side
    79,778.24x = 5,040,564,211.49
  5. Step 5: Solve for x
    x = 5,040,564,211.49/79,778.24
  6. Step 6: Final answer
    x = 63,182.19

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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.