Home / 79,867.56-110,266.74-56,090.28

Finding the Fourth Proportional to 79,867.56, 110,266.74 and 56,090.28

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Solution

The fourth proportional to 79,867.56, 110,266.74 and 56,090.28 is: 77,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,867.56 : 110,266.74 = 56,090.28 : x
  2. Step 2: Convert to fraction form
    79,867.56/110,266.74 = 56,090.28/x
  3. Step 3: Cross multiply
    79,867.56x = 110,266.74 × 56,090.28
  4. Step 4: Simplify right side
    79,867.56x = 6,184,892,321.29
  5. Step 5: Solve for x
    x = 6,184,892,321.29/79,867.56
  6. Step 6: Final answer
    x = 77,439.35

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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.