Home / 79,972.32-110,375.28-46,457.76

Finding the Fourth Proportional to 79,972.32, 110,375.28 and 46,457.76

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Solution

The fourth proportional to 79,972.32, 110,375.28 and 46,457.76 is: 64,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,972.32 : 110,375.28 = 46,457.76 : x
  2. Step 2: Convert to fraction form
    79,972.32/110,375.28 = 46,457.76/x
  3. Step 3: Cross multiply
    79,972.32x = 110,375.28 × 46,457.76
  4. Step 4: Simplify right side
    79,972.32x = 5,127,788,268.17
  5. Step 5: Solve for x
    x = 5,127,788,268.17/79,972.32
  6. Step 6: Final answer
    x = 64,119.54

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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.